If you're twenty or older, "stroke" might soon mean more to you than just Julian Casablancas. According to a new study of 1.3 million Americans published in the American Academy of Neurology, the rate of strokes suffered among people ages 20 to 54 jumped over 5% from 1993 to 2005, specifically from 12.9 to 18.6%.

There are countless proverbs that urge us not to feel regret—no use crying over spilled milk, etc. While feeling it may generally be considered a waste, since what's done is done, a new study published in Science found that learning to live without regret might also be the key to making sure you're not miserable when…

For most young-ish people, it's easy to be cavalier about things like saving for your eventual retirement. But what if you were forced to confront an older version of yourself in the mirror? Besides freaking out about how wrinkly and sun-spotty you've gotten, would it make you think twice about setting some money…