1. Stay alert. Taking a shower with cold water in the morning will stimulate the body, and then take a deep breath naturally, which can increase the oxygen intake, speed up the heartbeat, promote the blood circulation of the whole body, warm the body, and feel refreshed and energetic all day.
2. Improve hair and skin health. Hot water bath can cause dry skin, while warm water bath can tighten skin, shrink pores and prevent blockage. In addition, a warm bath helps to "seal" the pores of the skin and scalp and prevent dust from entering. Dr Jessica Klandt, a dermatologist in new york, USA, said that cold water or warm water can also help prevent the skin from losing the protection of natural oils too quickly. In hair care, cold shower is beneficial to the health of hair follicles and makes hair brighter and healthier.
3. Improve immunity and promote blood circulation. Experts say that shower can stimulate the pumping ability of arteries more effectively, improve the overall health of the heart, increase the blood flow of important organs of the body, promote blood circulation, help lower blood pressure, prevent arterial blockage and improve the immune system.
4. It is beneficial to lose weight. Studies have found that human body fat can be divided into white and brown. The former is harmful fat, and the latter is good fat, which can generate energy to keep the body warm and can be activated when the body is cold. Therefore, the shower helps to promote the activity of brown fat and help the body consume more calories. If you persist for a long time, you can lose 4 pounds a year.
5. Relieve muscle aches and accelerate recovery after exercise. Studies have found that taking a cold bath after exercise can relieve muscle pain. This study involved 17 related studies and 360 participants. The results show that after resistance training, cycling or running, the subjects can effectively relieve the symptoms of muscle pain after1~ 1~4 days of exercise by washing in a cold water bath for 24 minutes.
6. Reduce stress. A study found that the uric acid level of participants decreased significantly after shower stimulation. In addition, reduced glutathione (GHS) is an antioxidant with increased level, which can make other antioxidants at the best level. All these help to relieve stress and enhance tolerance to stress and even diseases.
7. Relieve depression. Shower can stimulate the "cold receptors" in the skin, so that peripheral nerve endings send a large number of electrical pulse signals to the brain, thus improving mood and relieving depressive symptoms. A study found that "cold water bath therapy" also has analgesic effect, with no obvious side effects and no dependence. This therapy includes 1~2 cold water baths (water temperature 3 degrees Celsius) for 2~3 minutes each time, with a 5-minute break.