Diabetes
Generally diabetes and erectile dysfunction can occur together in most of the older men. In fact, the chances of developing erectile dysfunction are 50 percent higher in men who suffer from diabetes. The reason behind is that diabetes affect the processing of glucose in your body. The excess amount of glucose in the bloodstream can cause damage of the nerves and blood vessels. The damage of blood vessels and nerves surrounding the penis and testicles might result in difficulties to maintain or attain an erection.