Hot tubs outperform saunas in boosting blood flow and immune power

That’s the takeaway from a new study done by researchers in the Bowerman Sports Science Center at the University of Oregon, which compared the physiological effects of soaking in a hot tub to sitting in a traditional dry heat sauna or a more modern far-infrared sauna.

By raising core body temperatures, soaking in hot water can help lower blood pressure, stimulate…