Intense infrared sauna treatment shows impressive antidepressant effects Patients with major depressive disorder undergoing intense infrared sauna sessions (raising core body temp ~2 °F) improved their depression scores by an extraordinary 16 points on the Hamilton scale (far exceeding the 3-point threshold for clinical significance) Previous research has also shown that just one infrared heat session had antidepressant benefits lasting as long as 6 weeks _ Credits to Dr. Ashley Mason and Dr. Ch