Nightly News | September 07, 2010
BRIAN WILLIAMS, anchor: And about those so-called moments that we jokingly call senior moments, when
you suddenly can't remember anything: your home phone number, the name of someone in your family, someone you see every day. Another new study says some of those memory problems can be something called mild cognitive impairment when people have memory or thinking problems beyond normal aging. And while they can lead to Alzheimer 's, we've also learned it's 1.5 times more common in men than women. There have been some new studies that have suggested brain exercises can delay its onset, but can't stop its progress once it starts.