. . "s such as diabetes and chronic heart disease, contributing to soaring U.S. healthcare costs.The Gallup-Healthways Well-Being Index found that people aged 40 to 43 saw a nearly 2 percentage point increase in obesity rates between 2008 and 2012, while those aged 44 to 47 saw a 2.5 point rise.Seniors also saw a jump, with those ages 72 to 79 and 84 to 87 seeing about a 2 point increase, according to" . .