Can Sauna Sweats Lower Your Blood Pressure?
MONDAY, Oct. 9, 2017 (HealthDay News) -- Frequent sauna bathers might be boosting their heart health as they sweat, new research suggests.
Studying more than 1,600 middle-aged men in Finland, researchers found that those who took sauna baths four to seven times a week cut their risk of high blood pressure by nearly half, compared to once-a-week sauna bathers.
"Sauna bathing may decrease systemic blood pressure through different biological mechanisms," said study researcher Jari Laukkanen, a professor at the University of Eastern Finland, and colleagues.
In the sauna, your body temperature rises, widening the blood vessels. Over time, this appears to improve the function of the inside layer of blood vessels, the researchers explained. Sauna baths also remove fluid from the body through sweating, and relax the body and mind, the researchers added.
The research team used data from follow-up on the men over an average of 22 years. During that time, about 15 percent of the participants developed high blood pressure.
Compared with men who had a sauna only once a week, the risk of high blood pressure was 46 percent lower in those who had a sauna four to seven times a week.
Risk of high blood pressure was 24 percent lower in those who had a sauna two to three times a week, according to the study.
However, the research only found an association between better blood pressure and routine sauna use, not a direct cause-and-effect relationship.
High blood pressure is a major risk factor for heart disease. The same researchers previously found that frequent saunas reduce the risk of heart-related death and death from all causes.
The study findings were published recently in the American Journal of Hypertension.
The U.S. Centers for Disease Control and Prevention has more on preventing high blood pressure.
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