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Environmental factors and testosterone

Some researchers point to rising BMI and lifestyle or environmental factors as partial drivers of the decline in men's testosterone levels.

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Jan 17, 2026
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What role do masturbation and partnered sex play in testosterone levels and hormone balance after 50?

Masturbation and partnered sex produce short-lived hormonal shifts—testosterone often spikes around arousal or ejaculation and typically returns to baseline within minutes to hours—while they do not a...