Repeated use of saunas could help people cope better in heatwaves, scientists say

Growing number of studies assessing whether heat training can help people prepare for scorching temperatures Even as summer temperatures soar, the sauna trend is booming , with some venues touting them as a way to beat the heat . But while experts have urged caution about sweating it out in hot weather, a growing number of studies are considering whether heat training could help people prepare for heatwaves.