New research reveals a surprising new therapeutic benefit to relaxing in a sauna: getting hot and sweaty can not only release "happiness molecules" but also help your heart.
New research reveals a surprising new therapeutic benefit to relaxing in a sauna: getting hot and sweaty can not only release "happiness molecules" but also help your heart.
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This week British science magazine New Scientist reported on the research, which found that people with chronic heart failure who took fives saunas a week for three weeks enjoyed improved heart function and a boost in their exercise endurance.
In the study, researcher Takashi Ohori and colleagues at the University of Toyama in Japan asked 41 volunteers with heart failure to take a 15-minute sauna fives time a week. After the sauna treatment, participants were asked to wrap themselves in a blanket for 30 minutes to keep their body temperatures about 1 degreeu00a0C higher than normal.
"Sauna treatment increased the heart's ability to pump blood, and boosted the distance participants could walk in 6 minutes from 337 metres to 379 metres," wrote New Scientist.
The researchers also found improved function in the membrane lining the inside of the heart, which plays a role in controlling the diameter of blood vessels. The findings were published in The American Journal of Cardiology.
Thanks to the increase in body temperature, separate research has found that a sauna treatment can trigger neurons in your body to release serotonin, resulting in a feel-good sensation.
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