What Scientists Have Learned From Studying People Over 90 | 60 Minutes Archive

In 2020, 60 Minutes took a look at the groundbreaking 90+ study and its members, a group of Americans age 90 and older who are still thriving in old age. Lesley Stahl revisited the participants, whom she first met in 2014, and spoke to the scientists about their findings on what leads to longer, healthier lives, with a special focus on memory and dementia.