Unclear
Ozone therapy
ozone in the blood, rectum or a sauna. Claimed cures.
Also called or includes: Ozone autohemotherapy, Ozone rectal insufflation, Ozone blood treatments, Ozone sauna cancer detox
Safety: Breathed in, ozone irritates the lungs and can cause fluid in them, sometimes hours later.
- Verdict
- UnclearThere isn't enough human evidence to say either way.
- How sure
- Rung 1 · UnprovenLab or animal data only, or never directly tested in people.
The rung shows how sure the science is, not how big the effect is. How to read these ratings
Cancers affected
None
What the evidence shows
U.S. regulations describe ozone as a toxic gas with no known useful medical use, for treatment or prevention.
What to do
Don't have it.
Sources
To take it to your doctor, print this page.
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Related
Every myth and exposure we rated, or follow one cancer step by step: breast cancer, colorectal cancer, lung cancer and prostate cancer.