Medicare Advantage can look like a great deal—until you get sick. A new study of why increasingly ill patients leave MA for ...

Food madness continues unabated. A new study (barely) implicates nitrite and colorectal cancer. But thousands of nitrate ...

Medical misinformation has a peculiar advantage: it can outlive the evidence that disproves it, especially when yesterday’s ...

From an old pesticide scare getting an official platform to a trendy sleep supplement that fails basic chemistry, ACSH staff ...

Walk into the supplement aisle and you’ll find plenty of products promising better health. But sometimes, basic chemistry and biology tell us those claims simply don’t add up. Before spending money on ...

As the use of high-potency marijuana expands with America's liberalized drug laws, researchers are again asking whether ...

A reader writes, “I'm curious about the whole-body health effects of a long-term keto diet -- cholesterol, heart disease, etc ...

A new study links sugar-sweetened beverages to stomach cancer. It's all over the news, with reports that they more than ...

What came after fire as humanity’s earliest chemical technology? Fermentation—an ancient bit of biotechnology that gave us ...

Protein has become nutrition’s magic word, stamped on everything from pasta to Pop-Tarts as shorthand for “healthy.” But most ...

CBD and THC have the same chemical formula but very different effects. So how hard can it be to turn one into the other? On ...