Can Infrared Sauna Raise Core Body Temperature Like a Traditional Sauna?
Yes — but only if it’s hot enough. A 2026 study out of Cardiff Metropolitan University found that a far-infrared sauna running at 65°C (149°F) for 45 minutes raised core body temperature by 1.4°C, close to what a traditional sauna does. Earlier studies at the more common infrared temperature of ~45°C (113°F) found no core … Read more