HEALTH: Those 2-Minute Walk Breaks? They Add Up.

Walk for two minutes. Repeat 15 times. Or walk for 10 minutes, thrice. The benefits for longevity appear to be almost exactly the same, according to an inspiring new study of physical activity patterns and life spans.

It finds that exercise does not have to be prolonged in order to be beneficial. It just has to be frequent.

Anecdotal, but I starting wearing a smartwatch about three years ago, and turned on the nag feature to get up out of my chair for at least one minute, once an hour. That one minute stand-and-stretch has become a three minute walk around the house, including going down and back up both staircases — and I do feel better.