Doctors say exercise is the best preventative 'drug'

... reported that with regular exercise, a person can be more active as they age. Tony Horton, creator and star of the P90X series, said that, "Physical activity is a mental and emotional game changer." Healthier and fit people are generally happier ...

http://thecelebritycafe.com/feature/2013/12/doctors-say-exercise-best-preventative-drug