This video illustrates what happens when a new science delivers on its promise? As terminal cancer patients begin to respond to an experimental drug, new hopes and challenges emerge. For the melanoma patients who signed on to try a drug known as PLX4032, the clinical trial was a last resort. Their bodies were riddled with tumors, leaving them almost certainly just months to live. But a few weeks...

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This video discusses how the battle against AIDS in Africa is beginning to fall apart. Money is running out. While Middle-income countries like India and Brazil may be able to save themselves, the future here looks bleak.

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This video illustrates Stephanie Smith's reaction to a strain of E. coli was extreme, but neither the system meant to make meat safe, nor the meat itself, is what consumers have been led to believe.

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This video takes a look at the world's largest family suffering from Alzheimer's disease, and the hope that they may help scientists find answers for everyone else. At frighteningly young ages, in their 40s, four of Laura Cuartas's children began forgetting and falling apart, assaulted by what people here have long called La Bobera, the foolishness.

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This video covers the increasing number of patients who are getting infections in hospitals. Hundreds of thousands of patients each year suffer from infections after surgery, and experts say more than half of those infections stem from bacteria the patients themselves are carrying in their nose or on their skin. Otherwise harmless bacteria can enter the body through surgical incisions and cause...

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