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Diabetes has become a public health crisis in Mexico. The government is struggling to pay for care and slow the rate at which people develop the life-threatening metabolic disorder.

India is a magnet for African youth who want to study abroad. But tensions between Indians and Africans sometimes explode into violence. The latest incident took place on March 27.

A new study of the dental plaques of three Neanderthals reveals surprising facts about their lives, including what they ate, the diseases that ailed them and how they self-medicated (and smooched).

A look at how five states' Affordable Care Act exchanges fared shows that more populous markets had an easier time keeping prices down and offering a choice of plans and providers.

Sherrill Milnes calls it "an avalanche of sound." Jessye Norman says it's "a cloud filled with silver." Singers and critics talk about the amazing voice of Leontyne Price on her 90th birthday.

More than 100 nations will sign the climate change deal agreed to in December. It will eventually commit nealy all the world's governments to cut back on greenhouse gases that cause global warming.

Impossible Foods took a high-tech approach to creating a meat-free burger that replicates the real thing. It's all designed to tempt carnivores to eat less meat. And it's set to hit restaurants soon.

Researchers found that a protein in human umbilical cord plasma improved learning and memory in older mice, but there's no indication it would work in people.

Men are more likely than women to put off going to the doctor. Hispanic men can face complications of culture, language and cost that make that even more likely.

Guest host Tom Hanks performs what is perhaps the greatest role of his lifetime.