Cold water strains your body — it goes into “survival mode,” working hard to maintain its core temperature. This stimulates your body to increase blood flow circulation. “Increasing circulation redistributes blood and delivers freshly oxygenated blood to areas of the body that need to recover,” Dr. Hame says.
In a clinical trial, researchers found that taking a cold shower for up to five minutes once or twice daily can help relieve symptoms of depression. Cold showers can also help clear your mind and combat overwhelm by decreasing your heart rate.
Cold showers can help reduce inflammation, relieve pain, improve circulation, lower stress levels, and reduce muscle soreness and fatigue.
How many calories does a cold shower burn? Research shows that cold exposure increases the metabolic rate by only 1-2 calories per minute, meaning that a 10 minute cold shower is going to burn somewhere in the region of 10-20 extra calories. That's not a lot.
Some people prefer to take just a brief cold shower of around 5–10 minutes. This may also be a practical approach to cold water therapy. Several studies cite a target cold temperature of about 68°F (20°C), according to an article in the journal Medical Hypotheses.
Keep it short: When first trying cold showers, aim to spend no more than 30 seconds under the cold water. You can increase the time as your body adapts. Ease in: Instead of jumping into a cold shower, start with the water warm, then gradually adjust the temperature downwards.
It's also possible to overdo the cold. "If the water temperature is too cold, below 10°C, and you take a long shower, you can get hypothermia. I recommend cold showers between 10°C/50°F and 16°C/60°F," Green says.
A cold shower — even just for a few minutes — can work as cold therapy to help you heal, recover and generally feel good, especially after exercise.
Using cold showers (cold water immersion, or CWI, in research), long-term, will attenuate the anabolic signaling that occurs in muscles2 through the reduction of inflammation. I.e., you will decrease your ability to build a maximum amount of muscle, which directly contradicts the goal of building muscle.
After 30 days of cold showers, most individuals report feeling more alert, having more energy, having healthier skin and hair, improved mental health and resilience, improved circulation, and more.
The best time to take a cold shower is in the morning, as it kick-starts your system ready for the rest of the day. If you struggle to take the plunge, start with your feet and hands and submerge one limb at a time.
It turns out that ultimately, no, a cold shower isn't bad for you. If anything, cold showers have proven to have many benefits, from increasing your mood, aiding weight loss, and increasing immunity.
Lowered Body Temperature
When you take a cold shower or spend a few minutes in your cold plunge, your body's temperature will dramatically decrease. As a result, your body will release chemicals—such as melatonin—which researchers believe induces sleep.
Cold showers might not improve sleep because of cold water's stimulating properties. Cold water immersion raises levels of cortisol and norepinephrine. View Source . Cortisol is involved in boosting alertness levels, and consequently, cortisol levels.
Cold water can help close pores, preventing dirt and bacteria from getting into the skin. Cold water can also help to reduce inflammation and redness in the skin. Cold showers can increase circulation, which gives your skin a healthy glow.
Cold Showers Help You Lose Fat
Studies show that once “activated” by cold temperatures, just two ounces of brown fat can burn through as many as 500 calories per day in an effort to elevate body temperature.
Lukewarm water is advisable to wash your face with, but cold water has its benefits, too. Cold water tightens the appearance of your skin, so it may make you look renewed and refreshed. It also helps boost your circulation, which can help give your skin a healthier appearance, albeit temporarily.
A 15 minute cold shower can burn as many as 62 calories. For a deeper insight into the benefits of cold showers, take a look at our dedicated blog, Cold Shower vs Hot Shower – What Are The Benefits?
Although the health benefits of a cold shower versus an ice bath are the same; It is vital to introduce cold water exposure slowly. Extended and shock exposure to the cold can be extremely dangerous.
People with comorbidities should refrain from taking a cold shower. For instance, if you are suffering from heart disease, or even high blood pressure, taking a bath with cold water can deteriorate your health.”
According to a study by researchers at Virginia Commonwealth University School of Medicine, taking cold showers for two to three minutes, once or twice a day (preceded by a five-minute 'adjustment period' of slowly cooling water) could help to relieve symptoms of depression.