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
What Not to Do When Feeling Sad
February 12, 2014

When taking any prescription drug, about 60 to 70 percent of people will feel some positive effect, says David Hellerstein, MD, professor of clinical psychiatry at Columbia University Medical Center (great odds, unless you're in the other 30 to 40 percent).

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