Is prolonged bicycle riding likely to be a cause of erectile dysfunction in a middle-aged man? What investations and management might be appropriate in this case?
A fit 55-year-old man has experienced four failed attempts at erection over the past month. During the past two months, he has increased his Sunday morning bicycle ride to 75 km. He has heard that cycling can cause impotence and cancer. Is this the most likely cause of his impotence? What can I advise this patient?