One of the largest fertility studies has found that air pollution appears to alter how sperm genes function, with subtle DNA changes affecting gene activation and raising concerns about male fertility harm.
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Correction instructionsAir pollution appears to alter how sperm genes function, one of the largest fertility studies of its kind has found.
Men exposed to common air pollutants while sperm were developing showed subtle DNA changes that affected whether genes were switched on or off, raising fresh concerns air pollution may harm male fertility.