The top-reported conditions giving rise to adverse claim experience around the world are cancer, cardiovascular ailments such as high blood pressure, diabetes and respiratory conditions. (Photo: Shutterstock)

Costs for employer sponsored-medical plans in 2018 are likely to rise 8.4 percent – nearly triple the projected rate of inflation, as global risk factors such as high blood pressure, physical inactivity and obesity increase, according to Aon’s report, “2018 Global Medical Trend Rates.”