Harvard Medical School

  • November 15, 2012  

    Sleep deprivation can cause serious health and cognitive problems in humans. In short, it can make us fat, sick and stupid. But why do humans need so much sleep? Science correspondent Miles O’Brien talks to scientists on the cutting edge of sleep research and asks if there’s any way humans might evolve into getting by with less. Continue reading

  • April 20, 2011  

    Below is an extended transcript excerpt from the Autism Now series, edited for length, relevance and clarity, with Dr. Martha Herbert, professor of neurology at Harvard Medical School, who discussed autism’s causes and appeared in the third report in the series. Continue reading

  • November 26, 2009  

    Ray Suarez sits down with medical experts to talk about possible changes to the U.S. health care system as Congress prepares to vote on a major overhaul. Continue reading