Diabetes that stays over a period of time can cause other health problems too. Eyes, kidneys and nerves can get damaged and chances of heart stroke are always high. Old age, family history of diabetes, impaired glucose tolerance, prior history of gestational diabetes and physical inactivity are some factors that put an individual on the risk of Type2 diabetes. Men with lower testosterone levels are at higher risk of developing the Type2 diabetes. Auto-immune, genetic and environmental factors play considerable role in the onset of Type 1 diabetes although the risk factors are not clearly defined.