ABC7 New York on MSN

Researchers at Columbia working to pinpoint where Alzheimer's begins and how it progresses

Bill Ritter spoke with doctors at Columbia about Alzheimer's disease and their groundbreaking research.

‘Pain is a great teacher.’ How Courtney Dauwalter became one of the great ultrarunners with no training plan

Thirteen years ago, before she had 10 sponsors, running records that appear as if they will stand for decades (or until she ...