The Cold Bath: A Scientific Approach to Health Benefits
Diving into cold water has long been considered a test of endurance. However, modern science has accumulated evidence showing that cold bathing provides significant health benefits. Here is a scientific analysis of the positive effects of cold bathing on the human body:
1. Calorie Burning
Body fat not only acts as insulation against the cold, but it can also be converted into energy to maintain body temperature. Studies have found that the body burns more calories to maintain heat when subjected to cold. Even white fat, often associated with love handles, can be burned in response to the cold. Lowering the indoor temperature of your home slightly can boost this calorie-burning process.
2. Stimulation of Blood Circulation
Cold activates blood circulation in several ways. It encourages the body to direct blood more quickly to vital organs to protect them from the cold. In addition, cold first causes constriction of small blood vessels (vasoconstriction), followed by dilation (vasodilation), which promotes venous return and lymphatic drainage. This can help alleviate heavy legs, varicose veins and even hair loss.
3. Pain Relief
The analgesic action of cold has been recognized for a long time. It numbs the sensory nerves and stimulates the production of endorphins, hormones with effects similar to those of morphine. This analgesic action is beneficial for relieving muscle and joint pain, as well as headaches. Cold also has hemostatic and anti-inflammatory properties.
4. Infection Prevention
Contrary to popular belief, the cold is not directly responsible for winter infections , on the contrary. However, it has an effect on the activity of viruses and bacteria. Cold temperatures limit their activity and virulence, which reduces the risk of infection. The spread of infections in winter is more due to greater proximity between individuals indoors, creating an environment conducive to the transmission of germs.
5. Improved Mood
The cold can help combat seasonal depression. Brightness associated with cold weather conditions can stimulate the production of mood-regulating hormones, such as melatonin, serotonin and dopamine. In addition, the cold promotes the release of endorphins, the “happiness hormones”, which have a euphoric effect.
6. Skin Tightening
Cold has the ability to tighten the pores of the skin, improving its firmness and radiance. It prevents the accumulation of sebum and limits the entry of impurities. In addition, by stimulating skin microcirculation, it contributes to better skin health and shinier hair.
7. Intense Medical Applications
Whole-body cryotherapy, exposing the body to extremely cold temperatures, is used to treat various pathologies. This method can improve trauma, rheumatological disorders, post-surgery effects, dermatological problems and even sleep disorders. However, a thorough medical evaluation is essential before exploring this method.
In summary, the cold bath is not limited to a simple test of resistance. Science shows its benefits extend to burning calories, boosting blood circulation, relieving pain, preventing infections, improving mood, tightening skin, and medical applications specific. However, it is important to consider individual factors and potential risks, consulting a healthcare professional if necessary.
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“ Colds and other winter symptoms are not caused by the cold, but by viruses or bacteria.”
Source: https://www.femmetemporel.fr/sante/sante-pratique/bienfaits-froid-02930
