It is perhaps the biggest men's health craze since Rogaine or Viagra: so-called low testosterone clinics, which have rapidly grown in cities and suburbs all across the country. But these "low T" clinics have also drawn the ire of leading urologists and endocrinologists who question the clinics’ safety.
Testosterone prescriptions in the U.S. more than tripled in the last decade, according to a study in JAMA Internal Medicine. But researchers suspect much of the testosterone dispensed at low T clinics isn’t tracked since it’s often bought with cash. This unfettered flow of testosterone—officially a controlled substance—has raised concerns among doctors who specialize in hormonal problems.
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