Thursday, October 14, 2010

Too Much Light at Night at Night May Lead to Obesity

http://www.sciencedaily.com/releases/2010/10/101011173249.htm

ScienceDaily (Oct. 11, 2010) — Persistent exposure to light at night may lead to weight gain, even without changing physical activity or eating more food, according to new research in mice.

Researchers found that mice exposed to a relatively dim light at night over eight weeks had a body mass gain that was about 50 percent more than other mice that lived in a standard light-dark cycle.

"Although there were no differences in activity levels or daily consumption of food, the mice that lived with light at night were getting fatter than the others," said Laura Fonken, lead author of the study and a doctoral student in neuroscience at Ohio State University.

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