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PBS News Hour
Why the FDA approved a controversial Alzheimer's drug
The FDA on Monday approved the first new drug to treat Alzheimer's disease in nearly two decades. Federal health officials said it may help slow the brain-destroying disease's progression, but the approval goes against the agency's independent advisers who said the treatment wasn't effective in clinical trials. Pam Belluck, health reporter for The New York Times, joins Amna Nawaz to discuss.
