Based on antibodies isolated from llamas, researchers engineered an antibody that prevented SARS-CoV-2, the virus that causes COVID-19, from entering cells in laboratory experiments.

Obese mice lost weight and showed improved metabolic function when treated with a drug that’s normally prescribed for alcohol use disorder.

A new study suggests that an immune-related protein found in higher levels in men helps protect against certain autoimmune diseases but increases the risk of schizophrenia.