Male Infertility and the Exposome: How Heat, Air, Plastics, and Stress Add Up
Male infertility rarely comes down to a single cause. Heat, air pollution, plastics, chronic stress, and disrupted sleep each nudge sperm quality in the wrong direction, and when they stack up across the roughly 74-day window it takes to produce sperm, the combined load can matter far more than any one exposure on its own.If you ask most men what causes fertility issues, they’ll name one thing. Testosterone. Stress. A chemical. Maybe “plastics.”What I see more often is a stack of exposures that all nudge sperm in the wrong direction....
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