Columbia University Medical Center
Ranked #1 in Psychiatry
U.S. News & World Report
Ranked #1 in Research Funding
National Institutes of Health
NewYork-Presbyterian Hospital The University Hospital of Columbia and Cornell
March 8, 2009

More evening light may mean less electricity used. But it also means more blues for those prone to winter depression. The change sets us back to mid-January in terms of morning light, according to Michael Terman, a biological rhythms expert at Columbia University.

Read more at Scientific American">To read more, go to Scientific American


hora interior