Exercise

A little exercise each week can [lead:head] to big gains in life expectancy. And that's true regardless of your [current:concurrent] weight, according to a new review study that included more than 650,000 people. The World Health Organization recommends two-and-a-half to five hours of brisk [walking:talking] per week, or less time spent at a more [vigorous:vicious] activity. People who got the full recommended amount of exercise saw an average 3.4-year gain in life expectancy. People who got half as much [exercise:practiced] still lived an average 1.8 years longer. The findings are in the journal PLoS Medicine. In fact, exercise was a bigger [factor:actor] than body weight in many cases.