The human body benefits from gratitude and generosity.
http://www.theglobeandmail.com/servlet/story/RTGAM.20070503.wlkarma03/BNStory/specialScienceandHealth/home
There is no religion without love, and people may talk as much as they like about their religion, but if it does not teach them to be good and kind to man and beast, it is all a sham. – Anna Sewell, author of the classic novel, Black Beauty (1877)