Exercising for just 10 minutes a week is linked to a longer life, according to a new study published in The British Journal of Sports Medicine.

Several recent studies have found that even low-intensity exercise, done for a short amount of time, can have a meaningful【C1】______on health. Still, the idea that exercising for just 10 minutes a week may be enough to increase your lifespan is novel. It’s also somewhat【C2】__, since the federal physical activity guidelines recommend getting at least 75 minutes of vigorous exercise or 150 minutes of【C3】______exercise each week.

The study was based on data from more than 88,000 U.S. adults who【C4】________in the National Health Interview Survey between 1997 and 2008.

Contrary to some research that has found an【C5】_____limit to the amount of exercise that is healthy, the researchers found that there was 【C6】__no limit to the longevity (长寿) benefits of exercise. Even the small group of people who got 10 times the amount of exercise recommended by the federal government had a 46% lower【C7】_____of death than the least active group.

Still, observational studies like this one cannot prove cause and effect; they can only find【C8】_____The researchers also were not able to 【C9】___for certain lifestyle factors that could affect lifespan, including dietary habits and changes in physical activity over time. Despite these 【C10】_____, the study’s results are yet another indication of the power of physical activity, even in small amounts.

A) adjust E) coordinates I) participated M) seemingly

B) alter F) impact J) patterns N) type

C) approximately G) limitations K) populated O) upper

D) controversial H) moderate L) risk

【C1】