Short article from "O" magazine again supporting the benefits of quick effective workouts: as little as 10 minutes a day of walking is enough!
"Researchers at Pennington Biomedical Research Center in Baton Rouge, Louisiana, reported findings from a study involving 464 women who weren't exercisers. After six months, a group who walked an average of 72 minutes a week at two to three mph—that's about 10 minutes of mall-pace striding a day—had significantly improved heart strength and general fitness, nearly matching the efforts of women exercising almost twice as long.