Scientists have proven that when you immerse in cold water 2-3 times a week will increase the number of white blood cells in your body, which boosts your immune system and fight infections. They activate antibodies as well as improve your metabolic rate.
In some countries, it is a common practice to let children take naps in the cold in an outdoor setting. This has proven to build more resistance in children to diseases. At the same time, they can also sleep deeper and soundly.
Exposure to cold water over time has been shown to improve blood circulation. Coldwater enhances your blood flow to the vital organs of the body. It forces your body to circulate the blood effectively.
Both open water and swimming pool water help limit heat loss – thus regulate body temperature. Swimming can relieve the symptoms of anxiety and depression. Due to high-density receptors for water in the skin, a dip is expected to send an incredible amount of electrical impulses to the brain – resulting in an anti-depression effect.