Drugs to treat erectile dysfunction may only have a placebo effect on men with normal erections.

Question

Quizplus · Accepted Answer

Erectile dysfunction drugs primarily work by increasing blood flow to the penis to help men with poor erections achieve and maintain an erection. However, in men with normal erections, the drugs may not have any physiological effects and any improvements may be attributed to a placebo effect or psychological factors.

Drugs to Treat Erectile Dysfunction May Only Have a Placebo