Is 20 minutes of exercise the new longevity recipe? This high-powered lawyer thinks so.

Profusek (not pictured) does about four minutes of squats per week on the program. Sneksy/Getty Images A small study is testing a combination of exercise, supplements, and drugs for longevity. The first patient said he feels less stiff since he started the program. Researchers suspect the biggest effects come from about 20 minutes of exercise a day. Robert Profusek likes a routine. Every weekday, he rises at 4 a.m. That's enough time for the high-powered lawyer to get in an efficient exerci...