Researchers conducted a randomized experiment and found that diners at full service restaurants whose menus listed calories ordered meals with 3 percent fewer calories — about 45 calories less — than those who had menus without calorie information. Customers ordered fewer calories in their appetizer and entree courses, but their dessert and drink orders remained […]

Some good news from the front lines of the heroin crisis: Half as many people tried heroin for the first time in 2017 as in 2016. That’s according to data released Friday from the government’s annual National Survey on Drug Use and Health. “This is what we were hoping for,” said Dr. Elinore McCance-Katz, who […]

As mammals age, immune cells in the brain known as microglia become chronically inflamed. In this state, they produce chemicals known to impair cognitive and motor function. That’s one explanation for why memory fades and other brain functions decline during old age. But, according to a new study, there may be a remedy to delay […]