The Importance of the First 20 Minutes of Activity
The first 20 minutes of moving around, if someone has been really sedentary, provide most of the health benefits, according to Gretchen Reynolds. On this hour, we'll talk with her about that interesting fact and more in the world of fitness and health.
- Gretchen Reynolds (author and columnist, The New York Times)
- $120... Gretchen Reynolds Exercise Book, âThe First 20 Minutesâ?