Sleep happens in cycles that include three non-rapid eye movement (NREM) stages and one rapid eye movement (REM) stage, repeated 4 to 5 times nightly. Each cycle typically lasts 90 to 110 minutes. The ...

Bowing to pressure, the company said it would restrict X users from generating explicit images of real people in jurisdictions where such content is illegal. By Ali Watkins Google’s A.I. assistant, ...

Although eosinophils have been implicated in the pathogenesis of gastrointestinal disorders, their function has not been established. Using a murine model of oral antigen–induced eosinophil-associated ...

Manganese is essential for antioxidant defense and cellular protection, as well as bone and cartilage formation. Manganese does not have a Recommended Dietary Allowance. Manganese deficiency is rare.