More than 200,000 people in the United States are diagnosed with breast cancer every year, according to the CDC. But early detection makes treating it much easier, and much more effective.

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A new report by the McKinsey Global Institute says that the global cost of obesity has risen to $2 trillion annually -- nearly as much as smoking or the combined impact of armed violence, war and terrorism.

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There is apparent disagreement between Nigeria's military chiefs and its president over how to rescue nearly 300 schoolgirls abducted by Islamic extremists, with the military saying use of force could get the hostages killed and the president ruling out demands for a prisoner exchange.Defense chief Air Marshal Alex Badeh announced Monday night that the military has located the girls, but offered no way forward.A human rights activist close to mediators says a swap of detained extremists for t...