Kennedy Administration Under Fire for Overstating Keto Diet’s Impact on Schizophrenia
A Harvard Medical School researcher is clarifying the potential of ketogenic diets in treating schizophrenia after Secretary of Health Robert F. Kennedy Jr. suggested the therapy could “cure” the condition, a claim experts warn could mislead patients and jeopardize their care.
The controversy stems from remarks Kennedy made on Wednesday during his “Take Back Your Health” national tour in Tennessee, where he promoted the administration’s new dietary guidelines. Kennedy asserted that dietary factors are a significant driver of mental illness and cited the work of Harvard assistant professor Christopher M. Palmer as evidence.
However, Palmer, a leading researcher in the relationship between metabolism and mental health, swiftly cautioned against characterizing ketogenic therapy as a definitive cure. “It’s unfortunate that he used the word ‘cure,’” Palmer stated in an interview. “If he had simply said powerful treatment, it would have been spot on.”
The distinction, Palmer explained, is crucial. A “cure” implies a permanent resolution – that a patient could discontinue treatment without experiencing a relapse – a scenario he has not observed in his clinical practice. “‘Cure’ implies that you can do the treatment for a short time, stop the treatment, and your illness never comes back,” he said. “That’s not at all what I’ve seen in patients with severe mental illness.”
Palmer’s research focuses on ketogenic therapies as potential treatments for a range of psychiatric conditions, including schizophrenia, bipolar disorder, and obsessive-compulsive disorder. He noted that the therapy shows the most promise for individuals with treatment-resistant schizophrenia, though responses vary, and maintaining the diet can be challenging. In 2019, Palmer co-authored a study detailing two patients who achieved long-term remission of schizophrenia symptoms while adhering to a ketogenic diet.
He drew a parallel between schizophrenia and conditions like Type 2 diabetes, where lifestyle changes can induce remission, but symptoms often return if treatment is halted. While acknowledging that Kennedy’s comments could raise awareness of ketogenic therapies, Palmer warned that oversimplification carries significant risks.
“In the worst case scenario, a patient might hear ‘Oh, I can cure my schizophrenia with a keto diet,’ and does that mean I can stop all my meds?” he asked. “That would be catastrophic.” He emphasized the potential for severe mental health emergencies, including psychosis or involuntary hospitalization, if patients attempt a ketogenic diet independently while discontinuing prescribed medication.
Ketogenic therapy, Palmer explained, has a long history as an evidence-based treatment for epilepsy, even in cases where medication fails, providing a precedent for its exploration in psychiatry.
The Department of Health and Human Services did not respond to a request for comment regarding Kennedy’s statements.
Kennedy’s remarks are occurring within a larger context of debate surrounding his approach to healthcare policy. Since taking office, he has prioritized lifestyle-based interventions over pharmaceutical treatments, a stance that has drawn criticism from some medical professionals.
Palmer also expressed broader concerns about the sensationalization of scientific research. “I think there is a tendency and inclination to sensationalize everything – politics, research, healthcare, civil liberties, all sorts of things,” he said. “I actually think it’s heartbreaking, because when people are polarized, they’re fighting, they’re not working together.”
He underscored the need for bipartisan cooperation to advance mental healthcare. “We are not going to improve mental health care if we can’t all work together,” he said. “Please, let’s at least come together to improve the lives of people with mental illness.”
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