11 Things We Didn’t Know Last Week

News, discoveries and … fun 1. Parents are serving “smash cakes” for youngsters to destroy at their birthday parties. (Learn more at Today) 2. About 1 in 5 Americans — some 57 million in all — live in multigenerational family households. (Learn more at AARP) 3. A Chinese woman takes her 88-year-old grandma with her to work every day, sometimes on her back. (Learn more at Daily Mail) >> Sign up for the AARP Health Newsletter  4. Beetles killed a …

Niacin Won’t Help, May Harm, Heart Patients

For 50 years we’ve been told that taking high doses of the B vitamin niacin was one way to lower cholesterol and improve heart health. Now some prominent physicians have had an abrupt change of heart: New research shows that niacin not only doesn’t help but could be very risky for patients. Two large studies, published July 17 in the New England Journal of Medicine, found that taking niacin didn’t reduce deaths from heart disease and it put patients at …