Diabetes is a condition where the body has chronically high levels of sugar in the blood. Type 1 is an immune disease diagnosed earlier in life. But type 2 develops in adults--and can often be avoided or even reversed by changing certain lifestyle habits. According to Business Insider, smoking and the use of certain stimulant drugs like Ecstasy or ADHD medications can raise the risk of becoming diabetic. So can chronic stress, a high-sugar diet, and a sedentary lifestyle.
