"My brain used to be my best friend," says Greg O'Brien, a journalist with early onset Alzheimer's. But he can't trust it anymore, he says. Alzheimer's is, in some ways, changing who he is.
Amanda Kowalski and Samantha Broun for NPR
Engaging, mentally stimulating work is good for the brain, scientists say, whether you get paid to do it or not. Running a household can be as mentally demanding as running a company.
Opening statements are delivered in June 1990 in the Central Park rape trial in New York in this artist's rendering. The defendants — including Yusef Salaam (from left), Antron McCray and Raymond Santana, shown here — were convicted and imprisoned in part on what were later found to be false confessions. A new study shows it's surprisingly easy to implant memories of committing a crime.