Ketogenic diet

When choosing a protein powder, we want it to be low in sugar and carbs, and to taste good enough. We don't think that it might also be packed with dangerously high levels of lead – which, a new study finds, is exactly what is in many popular brands.

A high-fat, low-carb ketogenic diet may protect the brain from early Alzheimer’s disease changes in people genetically at risk, new research suggests, by rebalancing gut bacteria and restoring brain energy metabolism.

One of the ketogenic diet's major perceived drawbacks is an increase in LDL, or so-called bad cholesterol. A new study, though, says that this cholesterol spike doesn't fit the conventional science in terms of its disease-causing ability.

People with bipolar disorder who followed a ketogenic diet found that their symptoms improved, a new study found. While the study was preliminary, its findings open the door to a new treatment direction for the sometimes difficult-to-treat condition.