Fortune | FORTUNE 2024年10月25日
Walking faster may help you live longer. Experts say to aim for this pace
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文章探讨了步行与健康的关系,包括步行速度、步数与降低死亡及心血管疾病风险的关联,还提到疫情对人们步行数量的影响,以及如何增加每日步数等内容。

研究发现步行速度快与降低死亡风险相关,且不论每日步数多少。美国疾控中心建议多数成年人每周进行150分钟中等强度或75分钟高强度活动。

多项研究表明不同步数对健康的影响,如每日2500步时死亡风险显著降低8%,7000步左右可降低心血管疾病风险51%等。

疫情使人们每日步行数减少,范德比尔特大学研究发现参与者平均每天少走约700步。且平均美国人每天走3000到4000步,少于5000步被视为久坐。

国际研究团队认为不存在走太多步的问题,但超过10000步后风险降低幅度变小。同时介绍了一些增加每日步数的方法。

An international study published last year in the Journal of the American College of Cardiology offers some more concrete advice, with a twist.How many steps you walk every day matters, the authors say—but so does your pace. Researchers found that walking faster was associated with a reduced risk of death, regardless of the number of steps taken per day. That makes sense, they say, because moderate-to-vigorous exercise is considered to be the most beneficial when it comes to cardiovascular health. The U.S. Centers for Disease Control and Prevention recommends 150 minutes of moderate-intensity activity each week for most adults, or 75 minutes of vigorous-intensity activity.This study isn’t the first to find that the faster one walks, the more health benefits the person should expect. A 2022 U.K.-based study found that the more steps a day, up to around 10,000, the lower one’s risk of dementia, and that walking quickly might lower dementia risk as well. And a 2022 Brazil-based study found that the greater the number of daily steps—and the quicker the pace of those steps—the less likely someone was to suffer from arterial stiffness. Walking at a pace of around 100 steps/minute, 30 minutes a day, five days a week would meet the weekly requirements for moderate exercise for older adults, Brazilian researchers stated. A 2011 international study echoed these findings, stating that 100 steps per minute equated moderate physical activity.How many steps should I walk a day?In the 2023 international study, researchers from the Netherlands, Spain, and the U.S. examined data from 12 studies involving a total of more than 111,000 participants. Among their findings:2,500 daily steps is about the point at which the risk of death was significantly reduced (by 8%), when compared to 2,000 daily steps.2,700 daily steps is about the point at which the risk of both fatal and nonfatal cardiovascular disease events like heart attack and stroke was significantly reduced (by 11%), when compared to 2,000 daily steps.7,000 daily steps, roughly, is the optimal number for those looking to reduce their risk of both fatal and nonfatal cardiovascular disease events (51% reduction).9,000 daily steps, roughly, is the optimal number for those looking to reduce their risk of death from any cause (60% reduction).Each 1,000 additional daily steps, or about 10 minutes of walking, will reduce your risk of death to some extent, though not in predictable intervals.Each additional 500 daily steps, or about five minutes of walking, will improve the health of those with low levels of physical activity.According to popular wisdom, 10,000 is the ideal number of steps to net per day. The advice originated from Japan in the 1960s, the study’s authors wrote, but there’s no data to back it up.Other studies have offered similar recommendations, including:4,000 daily steps to significantly reduce the chance of death, according to an August 2023 study8,000 to 9,000 daily steps to reduce the risk of common diseases like diabetes, hypertension, sleep apnea, GERD, depression, and obesity, according to an October 2022 study4,400 daily steps to reduce risk of death by 41% when compared to 2,700 steps per day, with no further significant risk reduction after 7,500 steps, according to a May 2019 studyThe pandemic sent steps plummetingThe research comes as scientists begin to realize the full weight of the pandemic in terms of long-lasting health effects on society. The number of steps people take each day plummeted during the early days of COVID-19—and they have yet to recover, according to a study published earlier this year.Researchers with Vanderbilt University examined the daily step patterns of nearly 5,500 people for two years before the pandemic and nearly two years into it. They found that, on average, study participants took about 700 fewer steps per day after the pandemic—equivalent to about a third of a mile less each day.Pre-pandemic steps were around 7,808 a day. Steps after COVID hovered around 7,089.The average American walks 3,000 to 4,000 steps per day, or roughly 1.5 to 2 miles, according to experts at the Mayo Clinic. Those who take less than 5,000 steps a day are considered sedentary, according to researchers at Vanderbilt.Is there such a thing as walking too many steps?There is no such thing as too many steps, according to the international research team behind the article.“Our study showed that even as many as 16,000 steps a day does not pose a risk,” coauthor Francisco Ortega—a sports science instructor at the University of Granada in Spain—said in a news release on the study. Additional risk reduction becomes marginal beyond 10,000 steps, however.But those who are already comfortably hitting 10,000 steps a day should consider a higher daily step goal, according to Mayo experts. For those who haven’t hit 10,000 daily steps, they recommend working up to the goal by adding 1,000 extra steps each day for two weeks before raising their goal again.How to add more steps into your dayIf you’re looking to sneak some extra steps into your day, here are a few easy ways, according to the America on the Move Foundation:Walk to get the mail, and circle around the block an extra time when you do.Chat about the day with loved ones on an after-dinner walk.Take an energizing stroll before your morning commute.Start an office walking club.Volunteer to walk dogs for an animal shelter.Take the stairs instead of an escalator or elevator.Exit the bus a couple of stops early and walk the rest of the way.Play a round of golf, minus the cart.Swim laps at a pool.Go dancing at a club.Join a volleyball team, indoor or outdoor.Pick up a tennis match.Go ice skating at a local rink.Park as far away as you can in parking lots.More on walking and workouts:View the new Fortune 50 Best Places to Live for Families list. Discover the 2024 top destinations across the U.S. for multigenerational families to live, thrive, and find community. Explore the list.

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步行 健康益处 疫情影响 增加步数
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