Change Your Lifestyle
First, see your doctor to determine the cause: You may have a testosterone deficiency, or the problem might be related to medications or diabetes, hypertension or some other condition. Exercise helps (ask your doctor before you begin); so does losing excess weight. Alcohol makes erectile dysfunction (ED) worse, so cut back or eliminate it, and quit smoking—it decreases blood flow.
— Jim King, MD,
President, American Academy of Family Physicians