… Robert F. Kennedy, Jr.’s claim that a high-fat, low-carbohydrate diet may cure certain psychiatric conditions is misleading and not backed by evidence, experts say.
… Kennedy said that a doctor at Harvard had “cured schizophrenia using keto diets” and that there were studies showing people “lose their bipolar diagnosis by changing their diet.”
A person eating a ketogenic diet typically gets at least 70 percent of their calories from fat ….
In his speech, Kennedy mentioned a “Dr. Pollan” at Harvard, but there appears to be no such person there … he may have meant to cite Christopher Palmer, an assistant professor of psychiatry at Harvard Medical School.
“While I appreciate the secretary’s [apparent] enthusiasm for my research, I have never claimed to cure schizophrenia, and I have never used the word cure in any of my talks or my research,” Palmer says.
Palmer co-authored a 2025 study that reviewed the evidence for the ketogenic diet as a possible treatment for schizophrenia. It found that small pilot studies suggested that the diet may improve some symptoms of the disorder in some people.
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