Joel Fuhrman is selling an overpriced iodine urine test that is not valid for testing individuals. Patients may be led to believe they are iodine deficient when they are not. Iodine supplements on the market vary widely including orthomolecular doses, and they make unsupported claims that mislead customers.
In the 1950s, Dr. Arthur F. Coca invented an elaborate method to diagnose a new kind of "allergy" by testing the pulse rate. He thought "allergies" were the underlying cause of most disease. His method has never been tested, but there is every reason to think it is bogus.
The idea that antidepressants are no more effective than placebo has been put to rest. They clearly work when used appropriately, although the effect size is not as large as the published studies have suggested.
Practicing after he lost his license, chiropractor Nicholas LeRoy used escharotics to treat a woman's cervical dysplasia. As result, she lost her uterus. Ex-naturopath Britt Hermes was taught to use escharotic treatments at Bastyr; she has since realized that they are "unproven, dangerous, and very stupid."
Direct to consumer lab testing is good marketing but not good medicine. For instance, there is no reason to spend $199 to measure glyphosate levels in your blood.
In his new video series, Dr. Mark Hyman says your brain is broken and functional medicine can fix it. He mixes conventional healthy lifestyle advice with highly questionable claims and recommendations based on speculation rather than on evidence.