Sauna

In a new study from the University of Oregon, scientists turned up the temperature to see which type of passive heat therapy packs the most health punch – hot baths, traditional saunas, or those fancy far-infrared saunas.

​We've already heard that things like special enzymes and fresh produce may help ward off Alzheimer’s disease and other forms of dementia. According to new research, however, you can now add "taking saunas" to that list – and the more often you take them, the better.