10 Reasons Why I Am Addicted To My Sauna by Ben Greenfield

I have a confession to make: I’m an addict.
Every morning I wander to my basement gym, flip the power on my sauna, step inside, and
sweat hard for thirty minutes. Knowing I can venture downstairs and enter a chamber that
gives my body a myriad of benefits simply makes a sauna a daily must.
There are many reasons I sauna and you should too –
10 scientifically proven reasons, in fact. In no particular order of importance, they are:
1. Heart Health and Longevity
JAMA Internal Medicine shows that regularly spending time in a sauna may help keep the heart healthy and extend life. Researchers from Finland tracked 2,300 men for an average of 20 years. They found that the more sessions per week men spent in the sauna, the lower their risk of sudden cardiac death and fatal coronary heart disease. The sauna also extended the life of participants with other illnesses, including cancer.
2. Detoxification of Chemicals and Heavy Metals
The skin is a major detox organ, and sweating through skin is a critical human detox function, yet most people don’t sweat enough. Because of this, we miss out on a major source of toxin elimination: the skin. To combat these effects, an infrared sauna helps to purify the body from the inside out, eliminating compounds such as PCBs, metals and toxins that are stored in fat cells, which can undergo lipolysis and release toxins upon exposure to heat.
3. Athletic Recovery for Pros and Weekend Warriors
Growth hormone is crucial for repair and recovery of muscles, and research has shown that two 20-minute sauna sessions elevated growth hormone levels two-fold over baseline. Two 15-minute sauna sessions at an even warmer temperature resulted in a five-fold increase in growth hormone. And two one-hour sauna sessions for 7 days has been shown to increase growth hormone 16-fold! For an additional recovery benefit, sauna also increases blood flow to the skeletal muscles, which helps to keep them fueled with glucose, amino acids, fatty acids, and oxygen, while removing by-products of metabolic processes such as lactic acid and calcium ions.
4. Arthritic and Muscular Pain Relief
In The Annals of Clinical Research Volume 20, research results show the benefits of sauna for relief of pain and increased mobility. Pain relief induced by a sauna was attributed to an increase in the release of anti-inflammatory compounds, as well as an increase in positive stress on the body, causing it to release natural pain-killing endorphins. More than 50% of participants reported relief of pain and an increase in mobility.
5. Muscle Gain and Fat Loss
Sauna can promote muscle growth and fat loss by improving insulin sensitivity and decreasing muscle protein catabolism. Intermittent hyperthermia has been shown to reduce insulin resistance in obese mice, and in this case insulin resistant diabetic mice were subjected to 30 minutes of heat treatment, three times a week for twelve weeks. The results were a 31%
decrease in insulin levels and a reduction in blood glucose levels, both of which can contribute to an increase in muscle growth and an increase in weight control and fat loss.
It has also been shown that a 30-minute intermittent hyperthermic treatment can cause a significant expression of something called ‘heat shock proteins’ in muscle, which is correlated with 30% more muscle regrowth after a week of immobilization. In other words, if you don’t exercise but you sauna instead, you can still maintain muscle!
6. Immune System Boost
The Journal of Human Kinetics investigated the effect of sauna on the immune system, specifically white blood cell profile, cortisol levels and selected physiological indices in athletes and non-athletes. After the sauna session, an increased number of white blood cells, lymphocyte, neutrophil and basophil counts was reported in the white blood cell profile, showing that sauna use stimulates the immune system. German medical research shows that saunas are able to
significantly reduce the incidences of colds and influenza.
7. Skin Rejuvenation
When your body produces sweat via the deep sweating you experience in an infrared sauna, the rate at which dead skin cells are replaced can be increased. At the same time, heavy sweating helps to remove bacteria out of the epidermal layer of the skin and the sweat ducts. This pore cleansing also causes increased capillary circulation, which can give the skin a softer-looking, younger appearance. When you sweat, the movement of fluid to the skin delivers mineral-rich nutrients and also helps to fill spaces around the cells, increasing firmness and reducing the appearance of wrinkles. So by continually flushing waste through skin cells via the use of hyperthermia, you increase skin health, tone and color, and cleanse the pores.
8. Relaxation and Better Sleep
Researchers have found that a sauna can help provide a deeper, more relaxed sleep, relief of chronic tension, and relief of chronic fatigue issues, most likely due to a release of endorphins from the sauna. As endorphins are released into your body, they create a soothing, tranquilizing effect that not only helps to minimize chronic arthritic pain and other muscle soreness, but can also help with relaxation and sleep.
9. Increased Cardiovascular Performance
Research has shown 30 minutes of sauna treatment after exercise can cause an increase in oxygen consumption and red blood cell production. In temperatures of an infrared sauna, your skin heats up and core body temperature rises. Then, in response to these increased heat levels, the blood vessels near your skin dilate and cause an increase in cardiac output. So with regular sauna use, you are training your heart muscles and improving your cardiac output.
10. Increased Stress Resilience
Multiple research studies have shown that hyperthermia via the use of a sauna can prevent protein degradation and muscle loss by triggering the production of heat shock proteins. Heat shock proteins are then used by your cells to counteract potentially harmful stimulus, including environmental stress from pollutants, toxins, heat, cold, exercise stress and more.
So, can you blame me? I’m addicted to my sauna and knowing these 10 benefits, I feel very good about myself when I walk out of my daily sauna session. If you’re up for the challenge, I’d recommend that for the next thirty days you try the Finnish practice of visiting a sauna four to five times a week for twenty to thirty minutes.
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