New research in mice indicates a potential drug target for eating disorders such as anorexia nervosa, a protein called melanocortin 3 receptor.

Measuring levels of a specific type of Alzheimer's protein in the fluid that surrounds the brain and spine can indicate how far the disease has progressed.

A new paper maps out how saliva gets its many proteins. It's a baseline for further investigations into spit as diagnostic fluid.

A protein appears to protect against the infection that causes Lyme disease. It may be an early warning for the immune system, research with mice shows.

Researchers have figured out a mechanism SARS-CoV-2, the virus that causes COVID-19, uses to co-opt infected human cells to boost its own replication.

Scientists have created hollow, spherical sacks called vesicles by using protein and RNA, not lipids.

Why are frogs green? Their color comes from a clever biochemical workaround that combines an odd protein choice and a potential poison in the blood.

A compound in pickled capers called quercetin can directly regulate proteins required for heartbeat, thought, muscular contraction, and more.

A compound in pickled capers called quercetin can directly regulate proteins required for heartbeat, thought, muscular contraction, and more.

An experimental drug called tofersen that could help treat a rare kind of ALS is headed to a phase 3 trial.