According to several studies, obesity is in fact "socially contagious" -- or at least, correlated: if a friend of yours becomes obese, you are now 57% more like

According to several studies, obesity is in fact "socially contagious" -- or at least, correlated: if a friend of yours becomes obese, you are now 57% more likely to as well. http://www.time.com/time/health/article/0,8599,1646997,00.html http://www.time.com/time/health/article/0,8599,1646997,00.ht... http://www.usatoday.com/yourlife/food/diet-nutrition/2010-11-05-obese05_ST_N.htm http://www.usatoday.com/yourlife/food/diet-nutrition/2010-11...