Newspaper article St Louis Post-Dispatch (MO)

More Are Withstanding Subzero Temps for Health Benefits

Newspaper article St Louis Post-Dispatch (MO)

More Are Withstanding Subzero Temps for Health Benefits

Article excerpt

Spending up to three minutes in a subzero chamber doesn't sound like something anyone would do willingly. But for those who use cryotherapy, it's not about the dramatic drop in body temperature.

It's about the rush that comes after it.

Cryotherapy involves using liquid nitrogen vapor to chill the air to temperatures ranging from -150 degrees to -300 degrees. The blood vessels constrict, shunting blood from the extremities and keeping it at the core, where it is enriched with oxygen, enzymes and nutrients. After the treatment, the nutrient-rich blood pushes back into the extremities.

Facilities offering whole-body cryotherapy are popping up across the country, including two in the St. Louis area within the past two years: SubZero Cryotherapy in Chesterfield and PALM Health wellness center in Ladue.

Operators claim benefits such as improved blood circulation, increased metabolism (which burns more calories), quicker recovery from workouts, relief from joint pain, skin rejuvenation, better sleep and improved mood (from the release of endorphins).

Some also sing its praises for improving serious conditions such as asthma, Alzheimer's, migraines, fibromyalgia, multiple sclerosis, insomnia, depression, arthritis and chronic pain.

This cool trend and its many purported claims prompted the FDA this summer to release a consumer update stating that the agency has never cleared or approved the "cryosauna" devices as safe and effective in treating medical conditions.

"Given a growing interest from consumers in whole-body cryotherapy, the FDA has formally reviewed the medical literature available on this subject," said Dr. Aaron Yustein with the FDA's Center for Devices and Radiological Health. "We found very little evidence about its safety or effectiveness in treating the conditions for which it is being promoted."

Though the therapy has not been rigorously studied, many swear by improved wellness. Several professional sports and college teams provide cryotherapy for their athletes, helping fuel its popularity.

St. Louis Blues forward Alexander Steen said he and a few other players use cryotherapy two or three times a week when they are in town to speed up recovery between practices. Steen, who is in his 12th NHL season, began using cryotherapy about two years ago and found it to be a quick and easy full-body treatment.

"The biggest benefits you feel are from doing it consistently," Steen said. "It helps flush out the toxins and lactic acid and assists with inflammation."

Georgia Wright, 71, of Huntleigh, says her severe sciatica nerve pain has been greatly reduced after using cryotherapy five times a week for the past month. She had gotten only temporary improvements with exercises, acupuncture and chiropractic care.

"I was giving up. I was nine months into sciatica issues, thinking it would be a chronic problem that would not go away," Wright said. …

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