Posted in Web Hyperbaric oxygen therapy: Evidence-based uses and unproven claims January 31, 2025 Hyperbaric oxygen therapy (HBOT) involves breathing pure oxygen while in a special chamber. This therapy is FDA-approved to treat a variety of serious conditions, but claims of HBOT for treating some other conditions are unfounded. https://www.health.harvard.edu/staying-healthy/hyperbaric-oxygen-therapy-evidence-based-uses-and-unproven-claims