Some critics are puzzled by Mitt Romney's opposition to the Affordable Care Act because the law is a close cousin of the measure he signed while governor of Massachusetts. But others counter that the private sector is best left to make the changes imposed by President Obama's signature achievement.
Vaccination campaigns have erased polio in almost every country in the world, but the disease persists in Afghanistan, Pakistan, and Nigeria. Obstacles in each country, including religious extremism, difficult terrain and transient populations, make eradication efforts difficult.
An outbreak of fungal meningitis has been linked to contaminated steroids that were injected into an estimated 14,000 people. Two dozen people have died, from fungal meningitis or strokes. It raises questions about where our drugs come from and which organizations oversee their production.
The co-author of a controversial study linking diet soda consumption to blood cancers says his study's findings fall into a gray area — between a clear relationship between diet soda consumption and cancers and no relationship at all. That, he says, is "the natural process of science."
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