August 29, 2014 -- Updated 1303 GMT (2103 HKT)

Sanjay Gupta explains what happens to your brain on opiates, the key ingredient in heroin and other powerful narcotics. FULL STORY

Be an Empowered Patient

CNN senior medical correspondent Elizabeth Cohen helps you advocate for yourself and your family to get the very best medical care possible.

CNN 10: Healing the Future

In medicine, innovation is life and death. These 10 ideas are revolutionizing health care -- from the operating table to the kitchen table.
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