Harvard Health Blog
Social networks can affect weight, happiness
By: Anthony Komaroff, M.D., Executive Editor, Harvard Health Letter The people you live with, work with, talk to, email, chatter with on Twitter and Facebook—your social network—can be good medicine, or bad. The intriguing new science of social networks is demonstrating how personal interconnections can affect our health. Ideas and habits that influence health for better or for worse can spread through social networks in much the same way that germs spread through communities.