Nature, nurture, or network?

Your friends and family influence your drinking, sleep, weight, and happiness—more than you think. Our work demonstrating the contagious nature of everything from obesity to altruism has stirred up considerable debate in the research world. It has also suggested powerful new ways to intervene in networks—for instance, to speed the switch to generic drugs, or to slow the spread of sexually transmitted diseases. Read more:

Charity is Contagious: How Corporate Philanthropy Spreads

Characteristics of our social networks ripple outward and affect us in extraordinary and unlikely ways. Our attitude towards charity is affected by the people who surround us. The more that philanthropy is ingrained within our social networks, the more it will ripple outward and spread.  It’s contagious. Read more: