Surely the most powerful of the several factors influencing our health is what we eat.  It also spills over into health for the planet, which reverberates back again to health for us humans.  As reported on National Public Radio (NPR) on August 9th, “There's a movement afoot aimed at changing the way we eat one day a week.”
http://www.npr.org/templates/story/story.php?storyId=129025298
I hope all viewers will read all of this news story, then obtain and read The China Study by T. Colin Campbell.  Then – go where the science leads.