Most people cringe at the thought of a cold shower. Just a glance at the many polar bear clubs dipping themselves into freezing water can make even those resistant to cold turn their heads away. However, the sporadic research that has been done suggests that regular exposure to cold water (via showers, baths or swims) may have some incredible health benefits.
Most people are unware that cool ambient and water temperature can have a positive impact on your health, primarily by boosting antioxidant levels and promoting better sleep.
Increasing Glutathione Production
Cold showers may increase glutathione -- one of the body’s most powerful endegenous antioxidants. In fact, many of the antioxidants we ingest orally work by helping the body produce glutathione. While the body can make its own glutathione from other nutrients, if we try to take a glutathione pill, our bodies just can’t seem to utilize it. Encouragingly, a study of winter swimmers hints that cold water therapy can stimulate increases in glutathione levels.
Boosting the Immune System
A study from England found that taking daily cold showers increased the numbers of disease-fighting white blood cells (compared to people who took hot showers). The investigators at Britain's Thrombosis Research Institute suggested that as the body tries to warm itself during and after a cold shower, metabolic rate speeds up and activates the immune system, which leads to the release of more white blood cells. And, according to a German study, an occasional winter swim in cold water causes oxidative stress, but, done regularly, such swimming leads to an adaptive antioxidant response; in other words, the body is better able to combat oxidative stress in general once it's accustomed to cold-water swims.
Enhancing Male Fertility
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