According to a major study in America (Massachusetts Male Aging Study), 52% of men aged 40-70 report some degree of erectile dysfunction (the scientific term for erection difficulty or impotence, often referred to as simply "ED"). Contrary to what was previously thought, we now know that up to 80% of these cases have an organic problem and not just a psychological one.
Every urologist has studied andrology as part of his/her specialty. So you need to visit a urologist, who, after taking a detailed (and honest!) history, will examine you and recommend the appropriate treatment for your situation. This may be in the form of pills, injections or even in a few very severe cases, surgical placement of penile prostheses. For more information, please click here