Americans don’t live as long as people in most other high-income countries, but modest lifestyle changes could increase their lifespan by as much as 14 years, according to a new study. The study, published Monday in the American Heart Association journal Circulation, examined how lifestyle factors like regular physical activity, not smoking, moderate drinking and a healthy weight and diet might raise life expectancy among Americans. Although the U.S. is one of the world’s wealthiest nations, it ranks 53rd in the world for life expectancy at birth, according to 2015 data from the World Health Organization. Researchers at Harvard University studied data from 123,219 patients compiled during […]