Road to the White House 

Your Brain and Your Health 

BRISTOL, ENGLAND - JANUARY 19:  In this photograph illustration a woman eats a chunk of chocolate from a bar of Cadbury's Dairy Milk chocolate on January 19, 2010 in Bristol, England. The US food giant Kraft has today agreed a takeover of Dairy Milk maker Cadbury in a deal worth 11 billion GBP, however many Cadbury workers remained concerned over the longterm future of their jobs.  (Photo by Matt Cardy/Getty Images)

'Love drug' found in chocolate

Chocolate can have a number of positive effects on your brain. CNN chief medical correspondent Dr. Sanjay Gupta explains.
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WASHINGTON, DC - FEBRUARY 26:  A guest gives a thumbs up sign as U.S. President Barack Obama delivers remarks during an event in the East Room of the White House on February 26, 2015 in Washington, DC. Obama paid tribute to African American heroes of the civil rights movement during a reception marking Black History Month.  (Photo by Win McNamee/Getty Images)

The power of compliments

CNN Chief Medical correspondent Dr. Sanjay Gupta explains how your brain responds when you receive a compliment.
US scientists have identified two genes responsible for macular degeneration, the gradual deterioration of eyesight in the elderly that can lead to blindness, a study showed this week.The research published 24 April 2007, in the Journal of the American Medical Association also showed that smoking and being overweight carry a strong risk of the condition, in which the central part of the eye's retina degenerates.

Your brain on déjà vu

Ever experienced déjà vu? CNN's Sanjay Gupta explains what's happening in your brain when it occurs.

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