Some men in the United States seeking relief for erectile dysfunction aren’t getting prescriptions for Viagra. Instead, they’re flocking to health clinics to subject their private parts to low-energy sound waves touted as a painless path to penile healing. The treatment, called shock wave therapy, is controversial. But if it delivers on its promise to improve erections by boosting blood flow in the penis, then it could help the millions of people whose ED is caused by vascular problems.
Leading physician groups don’t support shock wave therapy for ED because evidence of long-term benefits is spotty. Though it isn’t approved by the U.S. Food…
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