There is some evidence to suggest that cold exposure may increase libido, although the exact mechanisms behind this effect are not yet fully understood. Here are a few possible explanations:
Increased testosterone levels: Some studies have found that exposure to cold temperatures can increase testosterone levels in both men and women. Testosterone is a hormone that plays a key role in sexual desire and arousal, so higher levels of testosterone may lead to an increase in libido.
Improved circulation: Cold exposure can cause blood vessels to constrict, which may help to improve circulation throughout the body. This improved circulation can lead to better sexual function, including increased libido.
Enhanced mood: Cold exposure has been shown to stimulate the production of endorphins, which are chemicals in the brain that can improve mood and reduce feelings of stress and anxiety. When people are in a better mood, they may be more likely to feel sexually aroused and interested in sex.
It's worth noting that while there is some evidence to suggest that cold exposure may increase libido, more research is needed to fully understand the relationship between the two. Additionally, it's important to practice cold exposure safely and gradually, as exposure to extremely cold temperatures can be dangerous and even life-threatening in some cases.