Nearby Lightning Shut Down a Woman's Brain Implant

TUESDAY, May 1, 2018 -- A European woman who needed an implanted brain device got an unwelcome side effect during a storm: Nearby lightning switched the device off.

Experts say the phenomenon is likely rare, and the deep brain stimulator device worked fine again once it was turned back on by doctors.

Just One Concussion Could Raise Parkinson's Risk

WEDNESDAY, April 18, 2018 -- If you've ever had a mild concussion, your risk of developing Parkinson's disease goes up by 56 percent, a new study of more than 300,000 U.S. veterans suggests.

"Upwards of 40 percent of adults have had a traumatic brain injury [concussion], so these findings are definitely concerning," said study author Dr. Raquel Gardner. She is an assistant professor of neurology at the University of California, San Francisco, and the San Francisco VA Medical Center.