Anne Truong MDMen's Sexual Health Doctor

Use It Or Lose It: Why Men Shrink 📉 #MensHealth #ED

4 May 2026 · 1 min

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In this brief monologue, Dr. Anne Truong explains that when a man experiences erectile dysfunction (ED) without using a vacuum pump or other means to achieve erections, the penile smooth muscle receives no oxygenated blood flow. This lack of oxygen leads to muscle atrophy, shrinkage, and the formation of scar tissue. She describes clinical cases of patients with decades of untreated ED whose penile tissue has become so reduced that it appears hidden within the foreskin, making the penis virtually invisible. The key message is that regular erections (or mechanical stimulation) are essential to maintain penile muscle health and prevent irreversible shrinkage.

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have ED, if you don't use a pump and if you're having difficulty with intimacy, how else can you have an erection? You don't. So then what happens? You don't have an erection. What happened to the muscle? It shrivels up and it starts to atrophy or it starts to shrink. The muscle starts to kind of smaller and start to shrink. And then when it starts to shrink, then you start seeing scar tissue in the And I have seen that with the patient that come in to see me with 20 years of ED, 40 years of ED. Their muscle literally shrink. It goes almost like hidden inside the foreskin. It gets so small that it gets inside the foreskin and you don't even see the penis. You see more of the foreskin because of muscle atrophy. And if you don't bring oxygen to a muscle, the muscle is going to start dying.