Hello, Although medical problems like diabetes,hypertension and vascular diseases can cause ED problems but invariably ED at such a young age is either due to psychological reasons like Stress at work Stress ful relations with your wife Overbusy schedule Failure in one sexual encounter with your wife may result in further failures etc OR Due to reasons like Obesity Excess of alcohol and smoking or any other psychotropic drugs Sedentary life High cholesterol and triglycerides. Treatment involves... Quit alcohol and smoking Regular aerobic exercises for 45 minutes a day Reduction of weight More fresh fruits and green vegetables in your diet De stress yourself by regular yoga and deep breathing exercises. Take some iron and B complex supplement You should be all right in next 2 months. If you don t improve,then consult a urologist. Thanks