Exercise and all-cause mortality
17 papers in the library, strongest Moderate.
Graded Moderate · An analysis of observational studies, but only three with 452,513 people compared both patterns directly; the authors rate confidence in the evidence as very low.
Papers 17
- Weekend Warriors: No Clear Difference in Risk of DeathModeraten = 452,5132026Journal of science and medicine in sportPacking exercise into a few days of the week or spreading it out made no clearly detectable difference to the risk of dying. That is the result of an analysis of studies in middle-aged and older adults. It compared so-called weekend warriors with people who are regularly active. The team searched five large databases and kept 46 reports. But only three independent studies compared the two patterns directly, covering 452,513 people in total. In those studies, the risk of death did not clearly differ between the groups. Six further comparisons, which the researchers recalculated from existing data, also showed no clear difference. The authors stress that this does not prove the two patterns are equally good. Direct data were too thin. And the weekly amount of moderate to vigorous activity was not the same in every comparison. The authors rated their confidence in the results as very low. Direct evidence on heart and metabolic health, safety and sticking with exercise was scarce.
- Fewer Steps but a Brisker Pace Linked to Lower Death RiskModeraten = 64,7432026British journal of sports medicineIn a large British study, people who walked little but walked briskly died less often. This held even for people taking fewer than 5,000 steps a day. If their fastest 30 minutes averaged 80 steps per minute, their risk of dying was 28 percent lower. Those minutes did not have to come in one stretch. The comparison group walked just as little, but very slowly. The researchers used data from UK Biobank, a large British health study. In it, 64,743 adults wore a wrist device that recorded their steps and pace. The team then tracked who died. The lowest risk appeared at 7,500 to 10,000 steps a day with a pace of about 100 steps per minute: 43 percent lower. Age and other factors were taken into account. Deaths from heart and blood vessel disease followed a similar pattern. The authors conclude that different mixes of step count and pace might help prevent early deaths. Still, the study only observed who lived longer. It cannot tell whether walking faster itself lowers the risk.
- Much Movement, Few Interruptions Linked to Lowest Death RiskModeraten = 94,0142026Journal of exercise science and fitnessTotal minutes of movement may not tell the whole story. In a large British study, the lowest risk of death was seen in people who were active for much of the day and rarely slipped straight back into sitting. Compared with the group that moved least and in the most broken-up way, their risk was 39 percent lower. The data came from 94,014 adults in the UK Biobank, a large British health database. Each wore a movement sensor on the wrist. They were then followed for close to seven years on average, and 4,901 died. Every extra ten minutes a day of brisk or hard activity went along with a 4 percent lower risk of death. When total activity time was the same, more time spent in short bursts of under five minutes was linked to lower risk. Movement was measured only once. People who are already ill may move differently to begin with. Fittingly, when people with chronic diseases were left out, the link with often interrupted activity disappeared. The participants are also healthier and better off than the general population.
- Ten Hours of Sitting, Few Breaks: Higher Risk of Early DeathModeraten = 89,0102026Zhong nan da xue xue bao. Yi xue ban = Journal of Central South University. Medical sciencesPeople who sat for ten hours or more a day and rarely got up had a roughly 50 percent higher risk of dying in a large British study. The comparison group sat for less time and broke up their sitting at least twelve times a day. Frequent breaks softened the downside of long sitting. Researchers used data from 89,010 UK Biobank volunteers with a median age of 63.5. Each wore a motion sensor on the wrist for three to seven days. The team then followed them for a median of eight years. Those who sat a lot with few breaks had a 55 percent higher risk of dying from heart and circulatory disease. At age 50, men in this group could expect almost three fewer years free of such disease, women just over three. A statistical model estimated that swapping 30 minutes of sitting for brisk activity would lower this group's risk of death by 17 percent. That is a calculation, not a tested trial. The wrist sensor also cannot reliably tell sitting from standing still. Most volunteers were white, fairly healthy and better off socially. The authors themselves say the study cannot prove cause and effect.
- Kidney Disease: Active Patients Died Less OftenModeraten = 5,5782026MedicinePeople with chronic kidney disease face a higher risk of dying. In a large US health survey, those who were moderately to vigorously active for at least 150 minutes a week died less often. Their risk of death was 52 percent lower than in people who met none of the movement guidelines. People who sat little had a 25 percent lower risk. Researchers looked at data from 5,578 adults collected between 1999 and 2018. All had chronic kidney disease, based on blood or urine tests. Participants reported how much they moved, sat and slept. The yardstick was a set of Canadian guidelines that cover all three across the whole day. By the end of 2019, 1,402 participants had died. Those who met all three guidelines had a 55 percent lower risk. Getting enough sleep on its own showed no clear link. The link was strongest in people aged 65 or older. In younger adults no clear difference was found, but there were few deaths in that group. The data cannot show that more movement itself extends life with kidney disease. Habits were self-reported and measured only once, at the start.
- Four Chronic Conditions at Once Linked to Tripled Death RiskModeraten = 39,9402026MedicinePeople living with several chronic diseases at once died much more often in a large US health survey. With two of the four conditions studied, the risk of death was almost double that of people without them. With all four, it was more than three times as high. Physically active people, by contrast, had a lower risk. Researchers analysed data from 39,940 adults, collected over about 20 years. They looked at four common conditions, including diabetes, heart and blood vessel disease, and lung disease. The share of people with at least two of them grew over the years. Moderately active people had a 22 percent lower risk of death than the least active. For vigorous activity, the risk was 28 percent lower. According to the authors' model, people with several diseases had a life expectancy 5.64 years shorter. In active people, this gap was up to 2.31 years smaller. These figures come from statistical models and were not clear in every group. The study only observed people, so it cannot show that activity itself wins back years. Most diseases were also self-reported.
- Active Men With Prostate Cancer Had a Lower Risk of DyingModeraten = 50,1442026Cancer causes & control : CCCMen who stayed active after a prostate cancer diagnosis had a 31 percent lower risk of dying. Active meant reaching the amount of exercise the World Health Organization recommends, or more. Their risk of dying from prostate cancer itself was also lower, by 23 percent. The researchers pooled ten studies that together followed more than 50,144 men, mostly in the US, Sweden and Canada. The men reported their own activity levels. Those who met the recommendation were compared with men who fell short or did no exercise at all. Four of the studies looked at moderate to vigorous activity, the kind that gets you breathing harder. In these, the risk of dying was 38 percent lower. The individual studies varied quite a lot in how strong the link was. All of them observed men rather than assigning anyone to exercise. So the results cannot show that activity itself extends life: the more active men may simply have been healthier to begin with. The authors see exercise as a possible complement to cancer care.
- In-Sync Daily Rhythms on the Wrist Linked to Lower Death RiskModeraten = 90,0002026Advanced science (Weinheim, Baden-Wurttemberg, Germany)The body runs on an inner clock set by day and night. When that clock is thrown off, it contributes to illness of the metabolism, the heart and the mind. A device worn on the wrist now offers new clues. People whose movement and device temperature were tightly linked across the day later developed type 2 diabetes, heart and circulation disease, depression and breathing pauses during sleep less often. About 90,000 people in the UK Biobank, typically 63 years old, wore such a device for a week. Normally, movement and temperature run in opposite directions, about twelve hours apart. The researchers measured how tight this link was and followed people for 7 to 11 years. For each step of tighter coupling, the risk of dying was 7 percent lower. When the timing drifted from the usual pattern, diabetes risk was higher. Whether a steadier daily rhythm itself protects cannot be read from this. Many factors were accounted for, but other differences may still play a role. The device also only roughly tracks wrist skin, not core body temperature. Most participants were White and middle-aged or older.
- Lifting 90 Minutes a Week Linked to a Lower Risk of DeathModeraten = 147,3742026British journal of sports medicinePeople who did one and a half to just under two hours of strength training a week died less often over the years. Their risk of death was 13 percent lower than in people who did no strength training at all. This held even after accounting for running, cycling and other endurance exercise. They also died less often from heart and blood vessel disease. Going beyond two hours a week showed no extra benefit. Researchers pooled three large long-term studies from the US. Together they followed 147,374 health workers for up to 30 years, most of them women. Every few years, participants reported how much time they spent with weights or on weight machines. The lowest risk of death was seen in people who combined a lot of endurance exercise with strength training. Their risk was 45 percent lower than in people with little endurance exercise and no strength training. These results come from watching people, not from an experiment. They cannot show that strength training itself lengthens life. Participants estimated their own training time, and how hard they trained was not recorded. Most were white and middle-aged or older.
- Steady Daily Rhythm Plus Exercise Tied to 65% Lower Death RiskModeraten = 6,6212026The journals of gerontology. Series A, Biological sciences and medical sciencesSome people are clearly active by day and settle down at night. Their daily rhythm of activity and rest is strong. In a US study, people with such a rhythm who also moved enough were much less likely to die. Compared with people who had a weak rhythm and too little activity, their risk of dying was 65 percent lower. Their risk of dying from heart and blood vessel disease was 75 percent lower. The data came from 6,621 adults in a large US health survey from 2011 to 2014. Each wore an activity tracker on the wrist. From it, the researchers worked out how pronounced the switch between activity and rest was. After a median of almost seven years, 518 participants had died, 165 of them from heart and blood vessel disease. The authors conclude that enough exercise could soften the higher risk linked to a disrupted rhythm. A preliminary extra analysis found that faster biological aging, calculated from blood values, accounted for a small part of the link. The authors say this idea still needs testing. The study observed people and cannot show that a steadier rhythm itself makes anyone live longer.
- Extra 1,000 Steps a Day Tied to Lower Death Risk in Older AdultsModeraten = 367,8432026American journal of health promotion : AJHPA walk to the bakery, a stroll with the dog: a large new analysis looked at exactly this kind of everyday walking. Older adults who took 1,000 more steps a day had a 13 percent lower risk of death. On average, they walked just under 5,700 steps a day. Whether people walked slowly or briskly made little difference to this link. Researchers searched four large medical databases and found 46 suitable studies with 367,843 older adults in total. All lived independently at home and were followed over time. The focus was not prescribed exercise but walking as part of daily life. The death risk figure comes from the studies that counted steps, covering 19,206 people. People who walked more also did better elsewhere: fewer new illnesses and hospital stays, and better thinking, mood and everyday abilities. The studies only observed people; nobody was assigned to walk by chance. So it cannot be read from this whether the extra steps themselves lengthen life. The authors conclude that public health campaigns should promote walking.
- Active Older Adults With Daily Limits Face Lower Death RiskModeraten = 64,1462026iScienceLosing muscle in later life, or struggling with everyday tasks, comes with a higher risk of dying. But among people who were regularly active in their free time, that extra risk was smaller. This is what an analysis of three large aging surveys from the US, Europe and China found. The analysis covered 64,146 people. Regularly active meant meeting the World Health Organization's advice, about 150 minutes of moderate activity a week. In the US survey, inactive people who struggled with basic daily tasks had an 82 percent higher risk of dying than inactive people without such problems. Among regularly active people, the increase was 39 percent. For age-related muscle loss, the gap between the groups was smaller. Europe and China showed the same pattern. These are observational data. They do not show that activity lowers the risk, because active people may differ in other ways too. It is also unclear which kind of activity matters, since endurance and strength training were not looked at separately.
- Frail From 45: Risk of Death More Than Three Times HigherModeraten = 2,1042026The Journal of frailty & agingFrailty in midlife carries a heavy risk. In a South Korean study of people aged 45 and older, those who were frail had more than three times the risk of dying compared with robust participants. People who were somewhat frail, a stage researchers call pre-frail, had a 72 percent higher risk. The researchers used data from 2,104 adults who were interviewed again and again between 2006 and 2022. Frailty was scored from 38 health features. Frail people also saw doctors more often, were admitted to hospital more often and stayed longer. Their care cost more. Participants reported themselves whether they met the World Health Organization goal of at least 150 minutes of activity a week. Among pre-frail and frail people, meeting that goal was not clearly linked to a lower risk of death once other factors were taken into account. Frail people who reported that much activity even had higher healthcare costs. The authors conclude that standard activity advice alone may not be enough for this group. Activity was self-reported, though, and an observational study like this cannot tell cause from effect.
- Standing on One Leg: Fitter Older Adults Died Less OftenPreliminaryn = 13,4232026JAMA network openA few simple tests that take minutes can say a lot about how fit someone over 65 is. In Taiwan, those same tests were closely linked to who survived the next seven years. Balance, leg strength and stamina mattered most. Researchers looked at 13,423 people aged 65 or older who lived at home. In 2015 and 2016 they did seven exercises. They stepped in place for two minutes and stood up from a chair as often as they could in 30 seconds. They balanced on one leg, and they got up, walked a short distance and sat back down. By the end of 2022, 1,631 had died, about one in eight. The top fifth on the get-up-and-walk test had a 59 percent lower risk of death than the bottom fifth. That held after accounting for age, existing illnesses and how active people said they were. The study cannot show that fitness itself extends life. People who were already ill may simply have scored lower. Smoking was not recorded, and fitness was measured only once. The volunteers also leaned healthier, since everyone had to be able to do the tests.
- Measured Fitness Predicts Survival Better Than Self-ReportsPreliminary2026Progress in cardiovascular diseasesPeople who move a lot and are physically fit die early less often. That holds for heart and blood vessel disease and for other causes of death, across many different populations. A review in a heart medicine journal pulls this research together. One point stands out: measured endurance fitness usually predicts risk better than what people report about their own activity. The authors describe a dose effect, with more activity linked to more benefit. The type and intensity of activity also matter. Possible pathways include blood pressure, blood sugar, body fat, blood vessels and inflammation. Keeping muscle and the cell's power plants in good shape plays a part too. For endurance athletes who train at extreme levels, the authors separate the risk of dying from other risks. These include atrial fibrillation, a heart rhythm disorder, and faster calcium buildup in the heart's arteries. This is an invited review without a systematic search for studies. The authors themselves note that observational data struggle to separate cause and effect. People who are ill may move less, rather than becoming ill from moving less. Their conclusion for doctors is to track fitness like a vital sign and include strength training.
- Taurine, Less Methionine and Exercise Extend Fruit Fly LivesPreliminaryn = 602026Aging cellDiets that lengthen life in animals often come at a cost, such as lower fertility or weaker performance. In fruit flies, researchers found a combination that seemed to avoid much of that trade-off. Cutting methionine, a building block of protein, adding taurine and adding exercise extended life more than any single step. The flies also stayed active. Flies were assigned at random to four diets. One held a tenth of the usual methionine, another added taurine, a third did both. For exercise, a motor slowly turned the vials so the flies kept climbing upward. Exercise lengthened life in every group. Flies on the combined diet ate less but weighed about the same. A lactic acid bacterium grew in their guts. When flies cleared of gut bacteria got it back, part of the lifespan gain returned. These results come from flies and cannot be applied directly to people. The authors say the flies may simply have liked the food less, which could explain why they ate less. The researchers also knew which group each fly belonged to during testing.
- Even a Few Minutes of Exercise a Week Linked to Lower Death RiskPreliminaryn = 594,2852026Annals of epidemiologyThe biggest gap is between doing nothing and doing a little. That is the message of a large analysis of US adults. Just five minutes a week of moderate to vigorous activity was linked to a 13 percent lower risk of dying than none at all. The researchers used answers from 594,285 adults in a national health survey run from 1997 to 2018. They linked these answers to death records and followed people for 9.5 years on average. Vigorous minutes counted double. More than a third said they did no such activity at all. At 150 minutes a week, the risk of dying was 19 percent lower than at zero. At 600 minutes, it was 26 percent lower. The team accounted for age, social and economic background, lifestyle and health. Over ten years, an estimated 19.9 percent of fully inactive people died, roughly one in five. Among those active for more than 600 minutes a week, it was 7.2 percent. The study only observed people, and activity was self-reported. So it cannot prove that exercise itself is what kept people alive longer.
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