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Series

The history of testosterone therapy

How testosterone went from discovery to prescription to controversy — the market, the trials, and the arguments that shaped current practice.

Parts
4
By
Keen Clinician Team

Read in order

Science

1. How Testosterone Was Found: 1849 to 1935

Science

2. How TRT Prescribing Tripled, and What the Claims Data Showed About Why

Research

3. The T Trials, 2016: Seven Coordinated Trials in 790 Older Men

Science

4. The Controversy Years: How TRT Went From Boom to Boxed Warning and Back

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