![]() A 2007 study suggests that brief exposure to cold temperature actually decreases testosterone levels in your blood.Ĭold water isn’t going to do anything for your testosterone levels that exercise won’t do. This results in better sperm production.Ī 2013 study even found that cold winter temperatures improved sperm morphology (shape) and movement.īut sperm production and testosterone levels aren’t the same thing, and there’s some evidence to the contrary.Ī 1991 study found that cold water stimulation had no effect on levels of testosterone levels, although physical activity did. Rather, cooler testes have a stronger effect on DNA processes that result in higher sperm volume, quality, and motility (movement).Ī 1987 study found that keeping the testicular temperature between 31 to 37☌ (88 to 99☏) allowed optimal DNA, RNA, and protein synthesis. The idea is that cold showers lower the scrotal temperature, allowing the testicles to produce a maximum amount of sperm and testosterone.īut the research says little about testosterone production. The scrotum hangs outside the body in order to keep the testicles at an optimal temperature to produce sperm and other hormones, around 95 to 98.6☏ or 35 to 37☌. ![]() Most of the research around temperature and testosterone has to do with the testicles and scrotum. ![]()
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