The Harvard Gazette

David G. Rand

Page 1 of 1

“Our analysis suggests that while people have gotten better at gaining weight since 1971, they haven’t gotten any better at losing weight,” says lead author Alison L. Hill (right), who worked on the study with co-authors David G. Rand (left), Martin A. Nowak, and Nicholas A. Christakis.

Obesity rate will reach at least 42%

Projections suggest obesity among U.S. adults may not plateau until 2050

Health|

DateNovember 4, 2010May 6, 2019

David G. Rand, a postdoctoral researcher at Harvard’s Program for Evolutionary Dynamics, says the study contradicts previous research, which has stated that peer punishment is the only effective mechanism for promoting public cooperation.

Building human cooperation: Carrots work better

Positive interpersonal interactions inspire contributions to the common good, researchers report

Science|

DateSeptember 3, 2009