Press

Der Harvard-Forscher Nicholas Christakis, 46, untersucht am Beispiel einerstudentischen Internet-Gemeinschaft, wie Menschen zueinanderfinden. Originally published on April 11, 2008.

Huff Post article. Originally published on March 28, 2008.

A seven-part documentary series exploring racial and socioeconomic inequalities in health. Originally published on February 27, 2008.

Researchers are using Facebook habits to study how tastes and values affect the formation of social relationships. Originally published on December 17, 2007.

New York Times Article. Originally published on August 5, 2007.

Friendship offers support, laughter _ and the occasional spare tire. Just ask Jamie Tighe, a 35-year-old stay-at-home mother in Franklin, Mass. In college, Ms. Tighe and her friends "all gained weight together." Then she and her best friend added more poundage over Margaritas and chips. Her appetite -- and her avoirdupois -- spread to her husband, Kevin Tighe, who she says had been "rip cut" when they married. Originally published on July 26, 2007.

A new study suggests that your best friend's weight may be very influential in determining whether you'll gain or lose weight over the years. The research documents the spread of obesity from person to person in a study of more than 12,000 people. Originally published on July 26, 2007.

New York Times article. Originally published on July 26, 2007.

PBS News Hour. Originally published on July 26, 2007.

Obesity appears to spread from one person to another like a virus or a fad, researchers reported yesterday in a first-of-its-kind study that helps explain -- and could help fight -- one of the nation's biggest public health problems. Originally published on July 26, 2007.