Middle-aged people could add years to their lives just by getting off the couch and going for a walk every day — though it wouldn’t hurt to do even more, a large new study suggests.
The researchers followed over 100,000 Americans for decades and found what many have shown before: People who exercise as much as health experts recommend tend to live longer.
According to those recommendations, adults should strive to exercise moderately for 150 to 300 minutes a week, through activities like brisk walking. The other option is to go for sweatier activities, like jogging or biking at a fast clip, for 75 to 150 minutes each week….