Fitness, Health and Nutrition

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  • Reversing Prediabetes Linked to Roughly Half the Risk of Heart Death

    CATEGORY: METABOLIC & BLOOD SUGAR

    If you have prediabetes — blood sugar that is higher than normal but not yet in the diabetes range — bringing it back down to normal does far more than lower your odds of developing diabetes. A major new analysis of two landmark prevention trials found that people who returned their blood sugar to normal cut their risk of dying from heart disease or being hospitalized for heart failure by roughly half, and that protection lasted for decades.1

    What “Prediabetes Remission” Actually Means

    Prediabetes remission simply means getting your blood sugar back into the normal range and keeping it there. Doctors confirm it with standard blood tests, the same ones used to diagnose prediabetes in the first place. The encouraging part is that this is an achievable goal for many people, usually reached through steady weight loss, more physical activity, and improvements in diet — the same habits that support overall health.

    Why This Finding Changes the Picture

    For years, the goal for people with prediabetes has been to slow the slide toward full diabetes. This research shows the risk can actually be turned in the other direction, with lasting rewards for the heart. In the U.S. trial, people who reached remission had roughly 60 percent lower risk of cardiovascular death or heart-failure hospitalization over 20 years of follow-up, and a parallel Chinese trial confirmed a similar benefit over 30 years. When the two were combined, reaching remission at any point cut that risk by more than half.1

    Why Normalizing Blood Sugar Protects the Heart

    Chronically elevated blood sugar quietly damages blood vessels and strains the heart over time. By returning glucose to a normal range, you reduce that ongoing injury, which helps explain why the benefit persisted long after the original programs ended. In other words, the gains you make now can keep paying off many years down the road — what researchers describe as a lasting “legacy” effect.

    Key Takeaways

    • In people with prediabetes, returning blood sugar to normal was linked to lasting heart protection — not just a lower chance of developing diabetes.
    • In the trials, remission was reached mainly through steady weight loss, more physical activity, and dietary improvement; even modest, sustained changes were enough for many.
    • Ask your doctor to recheck your fasting blood sugar or A1c so you know your numbers and can track whether you are reaching the normal range.
    • If you already have heart disease, kidney problems, or other complications, work with your healthcare provider to set safe, personalized targets.

    References

    1. Vazquez Arreola E, Gong Q, Hanson RL, et al. Prediabetes remission and cardiovascular morbidity and mortality: post-hoc analyses from the Diabetes Prevention Program Outcome study and the DaQing Diabetes Prevention Outcome study. Lancet Diabetes Endocrinol. 2026 Feb;14(2):137-148. link
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  • Higher Fiber Intake Linked to Lower Death Risk in Metabolic Syndrome

    CATEGORY: FOODS & NUTRIENTS

    If you have metabolic syndrome — a common cluster of conditions that includes a large waistline, high blood pressure, high blood sugar, and abnormal cholesterol — eating more fiber may be one of the simplest ways to live longer. A 2025 study of nearly 11,000 American adults with the condition found that those eating the most fiber had a 20% lower risk of death from any cause and a 39% lower risk of dying from cardiovascular (heart and blood vessel) disease, compared with those eating the least.1

    Why This Group in Particular

    Metabolic syndrome affects a large share of adults and sharply raises the risk of heart disease, stroke, and diabetes. Fiber — the part of plant foods your body can’t fully digest — is known to help in exactly the areas where this group struggles: it improves blood sugar control, lowers cholesterol, supports healthy blood pressure, and feeds beneficial gut bacteria. Yet most people fall short of recommended amounts, making this an unusually high-value, low-cost fix.

    What the Study Found

    Researchers analyzed 10,962 U.S. adults with metabolic syndrome and tracked deaths over a median of about 8.5 years, during which 2,617 people died (887 from cardiovascular causes). Comparing the highest fiber eaters to the lowest, the risk of death from any cause was 20% lower (hazard ratio 0.80) and cardiovascular death was 39% lower (hazard ratio 0.61). Because this is an observational study, it shows a strong link rather than absolute proof — but the size of the effect, and fiber’s well-understood biology, make it compelling.1

    You Don’t Need a Huge Amount

    One of the most encouraging findings is that the benefit didn’t require an extreme diet. The protection was strongest at lower intakes and leveled off around 22 grams of fiber per day — close to standard recommendations. Below that threshold, every additional 5 grams of fiber per day was tied to a 7% lower risk of death. In other words, modest, realistic increases toward a normal target appear to deliver most of the payoff.

    Where the Fiber Comes From

    About 22 grams a day is attainable from ordinary whole foods: a bowl of oats, a cup of beans or lentils, a pear or apple with the skin, a handful of nuts, a serving of berries, or whole-grain versions of bread and rice. Adding fiber gradually, with plenty of water, tends to let digestion adjust comfortably.

    Key Takeaways

    • In adults with metabolic syndrome, higher fiber intake — with benefit peaking near 22 grams a day — was linked to lower death risk, including 39% lower cardiovascular death in the highest-intake group.
    • The benefit was strongest moving from low intake toward standard recommendations, with each extra 5 grams below the threshold tied to 7% lower mortality risk.
    • Fiber comes from everyday foods: whole grains, beans and lentils, fruits with skin, vegetables, nuts, and seeds; adding it gradually with plenty of water eases digestion.
    • If you have a digestive condition or take medications affecting blood sugar, check with your healthcare provider before making large dietary changes.

    References

    1. Guo Y, Li M, Huang Y. Association of dietary fiber intake with all-cause and cardiovascular mortality in U.S. adults with metabolic syndrome: NHANES 1999–2018. Front Nutr. 2025 Sep 11;12:1659000-1659000. link
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  • Five Minutes a Day of “Lowering” Exercises Linked to Real Strength Gains

    CATEGORY: EXERCISE & MOVEMENT

    You do not need a gym, equipment, or an exhausting workout to get meaningfully stronger. A recent study found that just five minutes a day of simple bodyweight movements — done at home, focusing on the slow lowering phase of each motion — produced significant gains in strength, flexibility, and even mental well-being in previously inactive adults.1

    What “Eccentric” Exercise Means

    Every movement has a lifting phase and a lowering phase. The lowering phase, when your muscle lengthens while still working, is called the eccentric phase — think of slowly sitting down into a chair, lowering yourself in a push-up, or easing down off your toes after a calf raise. Your muscles are unusually strong during this lowering motion, which means you can build strength while using less energy and putting less strain on your heart and lungs. That makes it well suited to people who are out of shape or returning to exercise.

    What the Study Found

    Researchers had 22 sedentary adults perform four simple daily exercises — chair squats, wall push-ups, chair reclines, and heel drops — with each repetition lowered slowly over about five seconds. The whole routine took roughly five minutes a day. After just four weeks, participants improved their lower-body strength by about 13 percent, their push-up endurance by 66 percent, their sit-up endurance by 51 percent, and their flexibility by about 9 percent. Their mental health scores also rose. Adherence was excellent, at roughly 90 percent of sessions completed.1

    Why It Sticks

    One of the biggest reasons people quit exercising is lack of time. A five-minute routine removes that barrier, and the early wins keep people motivated. In a follow-up study that extended the program to eight weeks, strength continued to improve and 90 percent of participants were still physically active a full year later — a sign that starting small can build a lasting habit.2

    What the Routine Involved

    In the study, participants slowed down a few everyday “lowering” movements — for example, lowering into a chair over a count of five before standing back up, or easing slowly into a wall push-up — doing about 10 repetitions of each. Mild soreness was common at first and faded as muscles adapted; it was not required for the gains.

    Key Takeaways

    • The routine focused on the slow lowering phase of simple bodyweight moves — chair squats, wall push-ups, and heel drops — for about five minutes a day.
    • Participants saw measurable strength and flexibility gains within about four weeks.
    • Soreness was not needed for results, and the short, gentle format was linked to high adherence — about 90% of sessions completed.
    • If you have a heart condition, joint problems, or any concern about starting exercise, check with your healthcare provider first.

    References

    1. Kirk BJC, Mavropalias G, Blazevich AJ, et al. Effects of a daily, home-based, 5-minute eccentric exercise program on physical fitness, body composition, and health in sedentary individuals. Eur J Appl Physiol. 2025 Aug;125(8):2241-2255. link
    2. Kirk BJC, Mavropalias G, Blazevich AJ, et al. Effects of an 8-week minimal-dose home-based eccentric exercise program on physical health and exercise adherence. Eur J Appl Physiol. 2026 Mar;126(3):1671-1684. link
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  • Exercise Linked to Improved Thinking and Brain Activity During Menopause

    CATEGORY: WOMEN’S HEALTH

    If you are going through menopause and feeling foggy, forgetful, or slower to concentrate, you are not imagining it — and there is something concrete you can do about it. A recent controlled study of 59 women found that a 12-week exercise program measurably improved cognitive function and brain activity in perimenopausal and postmenopausal women, pointing to physical activity as a central tool for protecting the brain during this transition.1

    Why the Menopausal Brain Needs Support

    Many women notice changes in memory and focus during the menopause transition — the years around the end of menstrual periods when hormone levels shift. These cognitive complaints are common and real, driven by a mix of hormonal changes, disrupted sleep, and stress. The encouraging news is that the brain remains responsive to healthy habits during this window, and exercise appears to be one of the most reliable levers.

    What the Study Found

    Researchers enrolled 59 perimenopausal, menopausal, and postmenopausal women and put them through a 12-week program of resistance and endurance circuit training — a mix of strength moves and heart-rate-raising activity done in rotation. The 33 women in the exercise-only group showed measurable gains: faster, more accurate performance on tests of attention and mental flexibility, plus increased activity in brain regions tied to working memory, measured directly with brain-wave recordings. Those brain-activity improvements appeared only in the group that exercised. In other words, the benefit wasn’t just how they felt — it showed up in how their brains worked.1

    Exercise Was the Active Ingredient

    The study also tested whether adding a particular eating-schedule change on top of exercise would boost results further. It did not — the women who exercised did just as well without it. That is a useful, simplifying finding: you don’t need to layer on complicated routines to protect your brain. The exercise itself was doing the work, which means you can focus your energy on the habit that clearly matters.

    What the Program Looked Like

    The program did not require a gym or special equipment. Circuit-style training simply means moving through a series of exercises — for example, bodyweight squats, a brisk walk or step-ups, and a few strength moves — with little rest in between, working both muscle and cardiovascular fitness in one session. Participants trained regularly across the week over the 12 weeks.

    Key Takeaways

    • In the study, regular exercise was linked to improved thinking and measurable brain activity within 12 weeks in women going through menopause.
    • The program combined strength work (such as squats or resistance moves) with heart-rate-raising activity (such as brisk walking or cycling) in circuit-style sessions that did both at once.
    • Adding a particular eating-schedule change on top of exercise did not improve results further — in this study, exercise alone delivered the cognitive benefit.
    • If brain fog is severe, persistent, or interfering with daily life, see your healthcare provider to rule out other causes and discuss a personalized plan.

    References

    1. Jóźwiak B, Kleka P, Laudańska-Krzemińska I. Effect of exercise alone and in combination with time-restricted eating on cognitive health in menopausal women. Front Public Health. 2025 Aug 13;13:1640512-1640512. link
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  • Whole Grains, Fruit, and Non-Starchy Vegetables Linked to Less Weight Gain Than Refined Carbs Over Time

    CATEGORY: DIET & WEIGHT

    The type of carbohydrate on your plate, not just the amount, may track with how your weight changes over the years. In a study that followed more than 136,000 adults, shifting toward higher-quality carbohydrates — whole grains, fruit, and non-starchy vegetables — was linked to less weight gain over time, while shifting toward refined grains, starchy foods, and added sugar was linked to more.1

    Not All Carbohydrates Behaved the Same

    Carbohydrates are the starches, sugars, and fibers in foods like grains, fruit, and vegetables. The study separated them by quality. Refined grains are grains stripped of their fiber-rich outer layers, such as white bread and white rice; whole grains keep those layers, such as oats and brown rice. Non-starchy vegetables include leafy greens, broccoli, and peppers, while starchy vegetables include potatoes, corn, and peas. One component stood out: fiber — the part of plant foods your body cannot fully digest — consistently tracked with less weight gain.

    How the Study Worked

    The findings pool three long-running groups of US health professionals — the Nurses’ Health Study, its successor Nurses’ Health Study II, and the Health Professionals Follow-up Study — totaling 136,432 adults.1 Participants reported what they ate and were weighed roughly every four years for as long as 24 years. Researchers then looked at how a change in the kinds of carbohydrates a person ate lined up with their weight change over the following four years. Because this is an observational study, it can show an association but cannot prove cause and effect; people who eat more produce and whole grains may differ in other ways that also affect weight.

    The Size of the Effect

    Translated into everyday terms, each additional daily serving (about 100 grams) of non-starchy vegetables was linked to roughly 3 kilograms — nearly 7 pounds — less weight gain across a four-year span; a similar increase in fruit tracked with about 1.6 kilograms less, and whole grains with about 0.4 kilograms less. In the other direction, a comparable rise in starchy vegetables was linked to about 2.6 kilograms more, and refined grains about 0.8 kilograms more. Each shift was modest on its own, but the pattern added up over the years, and it was somewhat stronger in people who were already carrying extra weight. These are averages across a large population, not a prediction for any single person.

    Key Takeaways

    • In this large study, carbohydrate quality tracked with long-term weight: more whole grains, fruit, and non-starchy vegetables was linked to less weight gain, while more refined grains, starchy foods, and added sugar was linked to more.
    • Fiber-rich plant foods showed the most favorable pattern, and the associations were stronger among people already carrying extra weight.
    • Because the study is observational, it cannot prove these foods cause weight change — but the pattern is consistent with other research on food quality.
    • If managing your weight matters to you, the mix and quality of the carbohydrates you eat may be worth raising with your doctor or a registered dietitian before making larger changes.

    References

    1. Wan Y, Tobias DK, Dennis KK, et al. Association between changes in carbohydrate intake and long term weight changes: prospective cohort study. BMJ. 2023;382:e073939. link
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  • In Prostate Cancer Screening, a PSA Blood Test Detected About Three Times as Many Cancers as the Digital Rectal Exam

    CATEGORY: MEN’S HEALTH

    For generations, the “finger exam” has been the image many men associate with checking the prostate. But a large pooled analysis of eight studies covering more than 85,000 men found that a PSA blood test detected roughly three times as many prostate cancers as the digital rectal exam, and adding the exam on top of the blood test did not improve detection.1

    What the Two Tests Actually Are

    The prostate is a walnut-sized gland that sits just below the bladder and helps make the fluid in semen. A digital rectal exam, or DRE, is the physical check: a clinician uses a gloved finger to feel the back wall of the prostate through the rectum, searching for lumps or unusual firmness. The PSA test is a blood test that measures prostate-specific antigen — a protein the prostate releases into the blood. Higher levels can be a sign of cancer, but they can also rise for harmless reasons, which is why no single number is a diagnosis on its own.

    How the Study Worked

    Rather than following one new group of men, researchers combined the results of eight existing studies — three randomized trials and five prospective studies — that together enrolled 85,798 men undergoing prostate screening.1 For each test they calculated two things a layperson can picture: the cancer detection rate (out of everyone screened, the share in whom a cancer was actually found) and the positive predictive value (among men whose test was abnormal, the share who truly turned out to have cancer). Pooling studies this way reflects how the tests perform on average across many real-world settings.

    What They Found

    The DRE flagged cancer in about 1% of the men screened, while the PSA test flagged it in about 3% — roughly three times as many. Yet for both tests, only about one in five abnormal results (around 20%) turned out to be cancer, meaning roughly four out of five “positive” findings were false alarms. Notably, pairing the DRE with the PSA test did not detect more cancers than the blood test used on its own.

    What This Means for You

    A screening result is a prompt for follow-up, not a diagnosis. An abnormal DRE or PSA often traces back to something benign rather than cancer — most commonly an enlarged prostate (a very common change with age) or inflammation of the gland. Because this analysis compares how the tests perform, and because a DRE depends heavily on the individual examiner’s experience, results vary from one setting to the next. Whether to screen at all, when to start, and which test to use are decisions shaped by your age, family history, and personal risk — the kind of conversation worth having with your own doctor.

    Key Takeaways

    • Across eight studies, a PSA blood test detected about three times as many prostate cancers as the digital rectal exam, and adding the exam did not improve detection.
    • For both tests, only about one in five abnormal results was actually cancer; benign conditions like an enlarged or inflamed prostate are common explanations.
    • An abnormal result is a reason to follow up, not a diagnosis — the next steps are decided with your clinician.
    • If you are weighing prostate cancer screening, the benefits, drawbacks, and timing of PSA testing are worth discussing with your doctor, especially if you have a family history or urinary symptoms.

    References

    1. Matsukawa A, Yanagisawa T, Bekku K, et al. Comparing the Performance of Digital Rectal Examination and Prostate-specific Antigen as a Screening Test for Prostate Cancer: A Systematic Review and Meta-analysis. European Urology Oncology. 2024;7(4):697–704. link
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  • Long-Term Yogurt Intake Linked to Lower Risk of One Colon Cancer Subtype

    CATEGORY: GUT & DIGESTIVE HEALTH

    People who ate two or more servings of yogurt a week over many years had about a 20% lower rate of one specific kind of colon cancer — tumors that contain a beneficial gut bacterium called Bifidobacterium — in a large, decades-long observational study. Yogurt was not linked to colon cancer overall.1

    A Specific Tumor Type, Not Colon Cancer Overall

    The lower rate showed up only for what researchers call Bifidobacterium-positive tumors in the proximal colon — the first section of the large intestine, on the right side of the abdomen. Bifidobacterium is a “friendly” bacterium found both in many yogurts and in a healthy gut, where it helps break down fiber and support the intestinal lining. Yogurt intake was not associated with colon cancer as a whole, nor with tumors that lacked the bacterium. In other words, the finding points to a particular subtype rather than a blanket reduction in colon cancer risk.1

    How the Study Worked

    The researchers drew on two of the longest-running health studies in the United States, together following more than 150,000 nurses and other health professionals since the 1970s and 1980s. Participants filled out detailed diet questionnaires repeatedly over the decades, which let the team estimate long-term, habitual yogurt intake rather than a single snapshot. Over that long follow-up, roughly 3,000 colon cancers were documented, and tumor samples from about 1,100 of them were tested in the laboratory for Bifidobacterium DNA. Only then could the researchers separate cancers by subtype and compare them against people’s earlier yogurt habits. Because this is an observational study — it tracks what people already choose to eat rather than assigning diets — it can reveal associations but cannot prove that yogurt causes the difference.

    Why Gut Bacteria Might Be the Link

    Yogurt is made by fermenting milk with live bacterial cultures, and some products contain Bifidobacterium specifically. One hypothesis is that regularly taking in these microbes, or the compounds they produce, helps shape the gut environment in ways that lower inflammation and make the colon lining less hospitable to certain tumors. The fact that the association appeared only for tumors that actually contained Bifidobacterium is what makes researchers suspect the bacteria themselves are part of the story — but that link is still a working idea, not settled science.

    Why Location and Subtype Matter

    Not all colon cancers are the same. Tumors in the proximal colon — the part farthest from the rectum — can differ in their biology from those lower down, and they are sometimes found at a later stage because that stretch of intestine is harder to reach and symptoms can be vague. Scientists increasingly sort cancers into molecular subtypes, grouping them by features such as which bacteria or genetic changes they carry, because a single “colon cancer” label can hide very different diseases. That framework is why a dietary link might surface for one subtype and not for the whole. It also means these results are best read as a clue about how diet, gut bacteria, and specific tumors may interact — a thread for future research to pull on, not a verdict.

    Association, Not Proof

    Observational studies like this one show association, not causation. People who eat yogurt regularly may also exercise more, smoke less, or have other habits that influence cancer risk, and researchers can only partly account for those differences. A subtype-specific result also needs to be confirmed by further studies before too much weight is placed on it. Most importantly, this is a reason for curiosity and follow-up, not alarm or self-diagnosis: changes in digestion or bowel habits usually have common, benign causes, and decisions about colon cancer screening should rest on your age, family history, and your doctor’s guidance rather than a single dietary study.

    Key Takeaways

    • Over decades of follow-up, eating two or more servings of yogurt a week was linked to about a 20% lower rate of one colon cancer subtype — but not to colon cancer overall.
    • Yogurt is a normal, everyday food, and this study looked at ordinary intake, not any special diet or restriction.
    • The result is a hypothesis-building association, not proof that yogurt prevents cancer.
    • If you have a family history of colon cancer or questions about screening, talk with your doctor about the right plan for you — especially before making major changes to your diet.

    References

    1. Ugai S, et al. Long-term yogurt intake and colorectal cancer incidence subclassified by Bifidobacterium abundance in tumor. Gut Microbes. 2025;17(1):2452237. link
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  • Daily Guided Meditation Linked to Lower Stress in a Large Workplace Trial

    CATEGORY: STRESS & MIND-BODY

    About ten minutes of guided meditation a day was linked to a meaningful drop in everyday stress among working adults in a large randomized trial — and much of that benefit was still present four months later.1

    What the Trial Found

    Researchers randomly assigned 1,458 employees at a large medical center to one of two groups. One group used a guided-meditation phone app for about ten minutes a day for eight weeks; the other was placed on a waiting list and served as the comparison. Stress was measured with the Perceived Stress Scale — a widely used questionnaire, scored from 0 to 40, that asks how unpredictable, uncontrollable, and overloaded life has felt over the past month. After eight weeks, the meditation group’s stress scores had fallen about four points further than the comparison group’s, a gap the researchers considered clinically meaningful. Checked again four months after the start, the meditation group was still roughly four points lower.1

    How the Study Worked

    Because people were sorted into the two groups at random — essentially the flip of a coin — the groups started out similar, so a difference that emerges afterward is more likely to reflect the meditation itself than differences in age, job, or health habits. The waiting-list group received access to the same meditation materials only after follow-up was complete, which helps isolate the effect of the practice. Stress was recorded at the start, at eight weeks, and at four months, so the study captured not just an immediate change but whether it lasted. One caveat: the participants were mostly employees of a single academic medical center, so the exact numbers may not carry over to every workplace or person.

    Why Brief Meditation May Help

    Mindfulness meditation is the practice of resting your attention on the present moment — often your breathing or the sensations in your body — and gently returning to it when your mind wanders, without judging yourself. One idea for why it may ease stress is that it dials down the body’s “fight or flight” response — the surge of alertness and tension the nervous system produces under pressure — so ordinary demands feel less overwhelming. This trial did not measure those biological signals directly, so the explanation remains a leading theory rather than a proven mechanism.

    A Low-Effort Tool for a Common Problem

    Everyday work stress is widespread, and many of the approaches shown to help — extended therapy programs or in-person classes — take time, money, or scheduling that not everyone can manage. Part of what makes this study notable is that the practice tested was brief, self-directed, and delivered through a phone, the kind of format that is easy to fit into a workday. That does not make it a cure-all, but it suggests that even small, low-cost habits are worth studying seriously as ways to take the edge off chronic stress. The researchers also noted that benefits were still present months later, which matters because many wellness efforts fade as soon as a formal program ends.

    What It Means — and What It Doesn’t

    The takeaway is modest but practical: even a short, self-guided practice was associated with lower stress, and the effect did not vanish the moment the eight weeks ended. That said, feeling stressed is not the same as having an anxiety or mood disorder, and meditation is not a substitute for professional care. If your stress is severe, persistent, or interfering with sleep, work, or relationships, that is worth raising with a healthcare provider.

    Key Takeaways

    • In a randomized trial, about ten minutes a day of guided meditation was linked to lower perceived stress, with benefits still measurable four months later.
    • The comparison was a waiting-list group and participants were mostly medical-center employees, so results may differ in other settings.
    • Brief mindfulness practice may be worth discussing with your provider if stress is weighing on you — but it does not replace care for anxiety, depression, or ongoing distress.
    • If stress feels severe or persistent, or you are considering changes to treatment for a mental-health condition, talk with a qualified professional.

    References

    1. Radin RM, Vacarro J, Fromer E, et al. Digital Meditation to Target Employee Stress: A Randomized Clinical Trial. JAMA Network Open. 2025;8(1):e2454435. link
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  • Higher Cardiovascular Health Linked to Lower Death Risk From Midlife Through the Centenarian Years

    CATEGORY: HEALTHY AGING & LONGEVITY

    Across a large study spanning midlife all the way to people past age 100, better cardiovascular health — the overall condition of your heart and blood vessels — was linked to a lower risk of dying, and the benefit followed a near-linear pattern, meaning each step up in heart health was tied to a further drop in risk.1 The link held even among the very oldest: centenarians with the healthiest scores had roughly a 55% lower risk of death than those with the least healthy scores. Because this was an observational study, it shows an association rather than proof of cause.

    What Was Measured

    The researchers used a widely recognized checklist called Life’s Essential 8, a score developed by the American Heart Association that rates cardiovascular health across eight everyday factors: your eating pattern, physical activity, exposure to tobacco or nicotine, sleep, body weight, blood cholesterol (fatty substances in the blood), blood sugar, and blood pressure. Each person received an overall score placing them in a low, moderate, or high cardiovascular-health group. The point of combining eight factors is that heart health rarely rests on any single habit or number — it reflects how these pieces add up together.

    How the Study Worked

    The analysis drew on more than 31,000 people ranging in age from 30 to 116, combining a large general-population health study with a dedicated cohort of centenarians — people who have lived to 100 or beyond. Researchers calculated each participant’s cardiovascular-health score and then tracked who died over the follow-up period, comparing death rates across the low, moderate, and high groups at different life stages. Pooling ordinary adults with the exceptionally long-lived let the team see whether the heart-health advantage that matters in midlife still carried weight at the far edge of the human lifespan.

    What Stood Out at the Oldest Ages

    Among centenarians, two of the eight factors — being physically active and maintaining a healthy body weight — appeared especially closely tied to lower mortality. That does not mean the other components stopped mattering, but it hints that staying mobile and avoiding excess weight may carry particular weight in the oldest years. The near-linear shape of the overall relationship is also worth noting: there was no single threshold you had to clear, but rather a steady gradient in which better cardiovascular health lined up with lower risk across the board.

    What It Means for You

    Because the study is observational, it cannot prove that improving these eight factors causes a longer life — healthier people may differ in other ways the study could not fully capture. What it does offer is a reassuring, consistent signal: the same measures of heart and blood-vessel health that doctors already watch in midlife appear to remain relevant much later in life. Where you stand on these factors is something your own healthcare provider can review with you, using your personal history to decide what, if anything, is worth attention.

    Key Takeaways

    • Higher cardiovascular health, scored across eight everyday factors, was associated with lower death risk from midlife into the centenarian years — a near-linear trend, not an all-or-nothing threshold.
    • Even among people past 100, the healthiest scores were linked to roughly 55% lower mortality than the least healthy; this is an association, not proof of cause.
    • Physical activity and a healthy body weight stood out among the very oldest adults.
    • Reviewing your own heart-health factors with your doctor may be worthwhile — especially before changing medications, diet, or exercise, or if you have existing conditions.

    References

    1. Chen S, Wang S, He B, Yang S, Han K, Shi Y, et al. Life’s essential 8 and longevity: the sustained impact of cardiovascular health on mortality from middle age to centenarians. npj Aging. 2026;s41514-026-00395-5. link
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  • In Older Adults, Longer and More Frequent Daytime Napping Linked to Higher Mortality

    CATEGORY: SLEEP & RECOVERY

    In a study of older adults, longer and more frequent daytime naps were linked to a higher risk of dying during the follow-up years, and naps taken in the morning were associated with more risk than naps in the early afternoon.1 The differences were modest and, because this was an observational study, they show an association rather than proof that napping itself shortens life. Still, the pattern suggests that how you nap may act as a quiet signal about your overall health.

    What the Study Found

    Researchers looked at all-cause mortality — death from any cause — and how it related to several features of daytime napping. Each additional hour of daily napping was associated with about a 13% higher risk of death over the study period.1 Each additional separate nap in a day was linked to roughly a 7% higher risk. Timing mattered too: people whose naps clustered in the morning had about a 30% higher risk than those who tended to nap in the early afternoon. Day-to-day swings in nap length, by contrast, were not clearly tied to risk. None of these numbers means a single nap is dangerous; they describe gradual trends across a large group.

    How the Study Worked

    The findings come from about 1,300 community-dwelling older adults, on average in their early 80s, who wore a wrist device called an actigraph — a watch-like sensor that tracks movement to estimate when someone is asleep or awake — continuously for up to two weeks. That short window of tracking captured each person’s typical napping habits in objective detail, rather than relying on memory. The researchers then followed the group for many years afterward, recording who died, and tested whether those early napping patterns lined up with later mortality. So the naps were measured briefly and precisely at the start, while the outcome unfolded over roughly the next two decades.

    Why the Link May Exist

    An important caution comes with this kind of research: it cannot tell whether heavier napping harms health or simply reflects health that is already declining. Long or frequent daytime sleep can be an early sign of underlying conditions — heart or lung problems, inflammation, poor nighttime sleep, or the fatigue that accompanies many illnesses. In other words, the extra napping may be a symptom rather than a cause. The researchers accounted for a range of factors, but reverse cause and effect remains a real possibility, which is why the takeaway is about awareness, not alarm.

    Putting It in Perspective

    Napping is common and often perfectly healthy, and this study does not show that a comfortable afternoon rest is a problem. What it highlights is that a shift toward longer, more frequent, or morning-heavy napping in later life may be worth noticing — the sort of change that can accompany a broader dip in health. If your napping habits have changed noticeably, that observation is something you can raise with your own healthcare provider, who can look at the fuller picture rather than any single number.

    Key Takeaways

    • In older adults, longer and more frequent daytime naps — and naps concentrated in the morning — were associated with higher death risk over time; this is an association, not proof of cause.
    • Heavier daytime napping may be an early marker of an underlying health issue rather than the cause of poor outcomes.
    • A clear change in your napping pattern may be worth mentioning to your doctor, who can consider it alongside your sleep quality and overall health.
    • This finding is about awareness; it is not a reason to force yourself to stop resting when you are tired.

    References

    1. Gao C, Cai R, Zheng X, Gaba A, Yu L, Buchman AS, et al. Objectively Measured Daytime Napping Patterns and All-Cause Mortality in Older Adults. JAMA Network Open. 2026;9(4):e267938. link
    For educational purposes only — not medical advice. Consult your clinician before acting on this content.

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