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With the EPA launching a new toxicity review and the MAHA movement claiming fluoride is a hidden health menace, the battle lines are being redrawn between public health orthodoxy and rising political skepticism. Although this is an old controversy, what is coming might ignite one of the fiercest science-policy clashes in decades.

While data might appear to show small benefits, the results for the population at large could be significant.

One of the universal challenges in human knowledge is translating what is deeply felt and implicitly understood into something explicit, communicable, and measurable. Inner experience does not easily lend itself to diagrams, equations, or biomarkers. Meditation sits on this boundary. Can the implicit language of experience be translated into the explicit language of brain dynamics? A new study suggests the answer is yes.

What do Sichuanese chefs shrugging at The French Laundry, a meticulously dispatched bonito, a mountain of DoorDash detritus, and the psychic hum of “food noise” have in common? They all expose how modern eating is less about sustenance and more about culture, morality, convenience, and obsession. From haute cuisine to ike jime, from delivery addiction to the silence promised by GLP-1 drugs, these pieces circle the same uneasy truth: food is identity, ethics, status, and compulsion, and yes, occasionally, dinner.

There was no era in which Americans were healthier than now, except in a romanticized imagination.

Schizophrenia is a devastating psychiatric disorder, often robbing individuals of their grip on reality and ability to function. So when a US Cabinet secretary claims it can be cured by changing one’s diet, the statement demands scrutiny. The science behind the ketogenic diet and schizophrenia is intriguing—but far from the miracle cure being suggested.

A failed private lawsuit accusing major food companies of engineering addictive food has been resurrected by San Francisco’s city attorney, recasting contested nutrition science as a public nuisance. The new complaint invites judges—not legislators or regulators—to redraw the boundaries of what constitutes acceptably safe food. At stake is whether litigation will become the new tool for reshaping America’s dinner table and designing healthy menus.

Microplastics have become a hot topic in environmental science — and a reliable source of alarming headlines. A new study reports a nifty approach to removing them using genetically engineered cyanobacteria. The key ingredient is an orange-scented molecule called limonene, which "captures" the plastic. Very clever.

Metabolic Health is your body's internal systems: blood sugar levels, blood pressure, lipids, and inflammation. Poor metabolic health can drive up insulin resistance, a main culprit of heart disease, type two diabetes, among other issues.