Detailed text transcripts for TV channel - CNN - 20100226:11:46:00
Our kids than keep them fit. it seems to help their grades. a ucla study of middle and high school students found those who took the longest to complete a one-mile fitness test, also had the lowest test scores. if you don't have time to exercise there is good news. you don't have to spend hours at the gym to get results you want. a lot of experts say that interval training is twice as effective because the short burst of intense exercise sessions can basically pack a week's worth of workouts into less than an hour. these sessions were originally developed for olympic athletes but studies show ...