In the midst of pandemic upheaval, researchers have gained fundamental insights about how the body fends off infections.

About 5% of people who catch COVID have long-lasting symptoms. In these people, loss of smell, dizziness, fatigue and other ...

Mass General Brigham researchers discovered a previously unknown mechanism that may drive tissue damage and a new target for drug discovery ...

Your immune system affects more than just infections. Discover how it shapes energy, aging, and overall health—and how to strengthen it.

You've heard massaging it can relieve stress—now experts have found the 27 million U.S. autoimmune sufferers could find therapy here, too.

Researchers discovered a previously unknown mechanism that may drive tissue damage and a new target for drug discovery.

Salmon, sardines, UV-exposed mushrooms, fortified milks and eggs are some food sources of vitamin D. If you don’t regularly ...

Scientists have uncovered a mechanism for reinvigorating the immune system to stop it from flagging when it’s fighting ...

Cycling comes with all kinds of benefits. It improves fitness and wellbeing, gives you more energy and is a cheaper – and often faster – way of getting around than driving or public transport.