http://blog.newsweek.com/blogs/labnotes/archive/2007/12/02/exercise-and-be-happy.aspxScientists are sticklers for not really believing what until someone explains how . That is, they’ll see that something happens, but until research reveals how it happens the phenomenon remains a bit dodgy. So it is with the power of exercise to spurenCommunityServer 2.1 SP2 (Debug Build: 2.18)