Hot tubs will ruin sperm count. Do with that information what you'd like.
This was just published. Traditional sauna beats infrared at raising your core temp. ( the y axis in the chart below ). Hot tubs are great too. Gotta go Finnish. https://journals.physiology.org/doi/full/10.1152/ajpregu.00012.2025
Hot tubs will ruin sperm count. Do with that information what you'd like.
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