The Sauna Sperm Myth: Separating Fact from Fretting The notion that frequent sauna use can drastically reduce sperm count has been circulating online, leaving many a would be dad to be concerned.
But is this concern entirely justified? According to Prof Colin Duncan, a fertility expert at the University of Edinburgh, the relationship between saunas and sperm production is more nuanced than commonly perceived.
Repeated exposure to higher temperatures can have some effect on sperm count, but the impact is not as catastrophic as the headlines might suggest.