11 Things We Didn’t Know Last Week

News, discoveries and … fun 1. An art project regrew Vincent van Gogh’s ear. (Learn more at The Verge) 2. Learning a second language can help make you smarter. (Learn more at AARP) 3. New 3-D printed foods look good, taste good and melt in your mouth. (Learn more at Engadget) >> Sign up for the AARP Health Newsletter  4. Latabe the elephant took the world’s very first “elfie,” a.k.a. an elephant selfie. (Learn more at Huffington Post) 5. Elmers are, …

Calling All Cynics: Your Mistrust Is Bad for Your Brain

If you’re a cynic, you’ll probably disregard this, but researchers say that cynical mistrust will triple your risk of developing dementia. Scoff all you want, but researchers in Finland who tested 1,449 older adults (average age: 71) found that highly cynical people were three times more likely to develop dementia than those with a more trusting, optimistic personality, according to a study published today in the journal Neurology. In other words, “your personality may affect your brain health,” explained lead …