The Long and Tortuous History of the Discovery of Testosterone and Its Clinical Application
Bibliographic record
Abstract
INTRODUCTION: The testis importance in homeostasis was recognized for millennia, but a consistent interest in exploring their endocrine function only goes back to about a century. AIM: The aim of this study is to provide a succinct perspective of the events leading to the discovery of testosterone, the mind-boggling early attempts at therapy and today's situation. METHOD: The literature was reviewed with searches in OvidSP Medline, PubMed, and Google Scholar under the headings of testosterone/androgens history. Due to the explosion of reports between the late 19th and early 20th centuries, a manual review of the collection of the period's journals at the university's library was performed. Pertinent books were consulted for specific biographical details. RESULTS: There is a robust body of literature dealing with testicular function for the period starting in the late 1800s. It is illustrative to learn the painful efforts of many well-intentioned and honest scientists with more conviction and determination than knowledge. Among them, unfortunately, a number of charlatans and profiteers tainted the concept of hypogonadism and its treatment with repercussions lasting until this day. The discovery and synthesis of testosterone represent the effort of brilliant minds (two Nobel Prizes) in various countries and frequently working for the pharmaceutical industry. Shortly after testosterone became available, controversy arose about its application, use, abuse, and potential detrimental effects. Over the decades, the hullabaloo about hypogonadism and its treatment has focused on a variety of issues ranging from absurd efficacy claims to solid studies and from doubts of its existence to convincing proof of a detrimental age-associated deficit in testosterone production. CONCLUSIONS: The history of testosterone discovery, synthesis, and introduction into the therapeutic armamentarium is an outstanding example of human curiosity, ingenuity, greed, and skepticism. Despite the vast progress in the field, many issues remain unresolved, but thoughtful science augurs well for its future.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.006 | 0.017 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.005 | 0.006 |
| Science and technology studies | 0.001 | 0.008 |
| Scholarly communication | 0.004 | 0.006 |
| Open science | 0.001 | 0.002 |
| Research integrity | 0.003 | 0.005 |
| Insufficient payload (model declined to judge) | 0.011 | 0.004 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".