Why 1% Never Have Sex

4 Nov 2025 · 10 min
Episode

4 Nov 2025 · 10 min

0:00

Episode from Dr. Anne Truong (host) titled "Why 1% Never Have Sex" that reviews a study linking genetic and environmental factors to lifelong sexlessness. The host summarizes research (Princeton-linked analysis of DNA from ~400,000+ participants in the UK and Australia) reporting ~1% of adults never had sexual intercourse, and highlights associations with higher education/intelligence-linked genes, introversion/risk aversion, neurodevelopmental traits (ADHD, autism, PTSD), weaker grip strength, early eyeglass use, and low-risk behaviors (non-drinking/non-smoking). The episode notes environmental contributors (fewer local women, income inequality), clarifies that depression/anxiety were not associated, and frames genes as one factor among environment, hormones, and social wiring; episode also includes diet/erectile dysfunction advice and promotional material for the host's programs.

Questions this episode answers

Dr. Anne Truong MD

November 4, 2025

Over 400,000 (UK and Australia samples)

About 1%

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