In recent years, scientists have seen more and more cases where memory loss isn't just a natural consequence of aging. Sometimes it's caused by other factors.
Have you ever heard that older people need less sleep?
“Squares” was the somewhat rude but good-natured term used for people who have consistent, if perhaps a little bland, emotional lives. A long-term study conducted from 1942 to the present suggests that squares have the last laugh. Learn more on this Moment of Science.
The sad truth about aging, on this Moment of Science.