Doctor says FDA decision was so egregious he resigned

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    CNN’s Ana Cabrera speaks with Dr. Joel Perlmutter about his decision to resign from an FDA panel over the agency’s approval of the controversial drug aducanumab to treat Alzheimer’s.

    CNN’s Ana Cabrera speaks with Dr. Joel Perlmutter about his decision to resign from an FDA panel over the agency’s approval of the controversial drug aducanumab to treat Alzheimer’s.