http://www.economist.com/news/science-and-technology/21586269-how-bacteria-your-gut-may-be-shaping-your-waistline-wider-understanding?fsrc=nlw%7Chig%7C9-12-2013%7C6608170%7C38070759%7C
More at Sketches from Scratches ... http://woohs.blogspot.com
Concerned about cell towers and EMF ... http://southcott.blogspot.com
Scratches to Sketches