'Miracle' Young Blood Infusion Treatments Unproven, Potentially Harmful: FDA

TUESDAY, Feb. 19, 2019 -- They're often called "vampire" treatments, in which people undergo infusions of a young donor's blood plasma to treat everything from aging to Alzheimer's and multiple sclerosis.

But these expensive "fountain of youth" therapies are unproven and potentially unsafe, the U.S. Food and Drug Administration warned on Tuesday.

Good News, Bad News on Levodopa for Parkinson's Disease

WEDNESDAY, Jan. 23, 2019 -- The most potent drug available for Parkinson's disease, levodopa, treats symptoms of the disease but does nothing to either ease or increase its still-mysterious underlying causes, a new clinical trial has concluded.

Doctors often delay prescribing levodopa, or L-dopa, to Parkinson's patients for fear that the drug might have toxic effects that produce jerky involuntary body movements over time.

Kicking, Punching: Who's at Risk for a Violent Sleep Disorder?

WEDNESDAY, Dec. 26, 2018 -- You've probably seen movies where a veteran returns home from the horrors of war and wakes in the middle of the night yelling, punching or flailing so much that they harm themselves or a sleep partner.

This isn't just Hollywood drama. New research has identified who's most at risk for this troubling sleep condition.