Why do parasites cause loss of appetite? Scientists have identified a gut-to-brain signaling pathway involving tuft cells and ...

Anyone who has weathered a bad stomach bug knows the feeling: a loss of appetite that sets in and lingers, even after the initial illness. For the millions of people around the world who are ...

Your immune system is your body’s built-in defense network, working nonstop to protect you from bacteria, viruses, and other harmful invaders. Your immune system includes two main parts: the innate ...

A study reveals how gut immune cells signal the brain to reduce appetite, with acetylcholine-driven activation of serotonin ...