Your body often speaks in quiet tones—fatigue and bloating can hint at an underlying immune imbalance that starts in the gut. When the gut's defense system falters, it may mislead the immune response, ...

Your immune system was supposed to protect you from threats, but sometimes it gets confused about what counts as an enemy and starts attacking your own healthy tissues. This internal betrayal happens ...

We often judge our immune systems based on how many colds we catch in a year, but experts say that’s an oversimplification of what is a highly complex network of cells, tissues and organs that works ...

Ulcerative colitis (UC) is a type of inflammatory bowel disease (IBD). It causes painful sores and inflammation deep inside your colon and rectum. That can lead to hard-to-manage symptoms like ...

Symptoms such as fatigue, loss of appetite, altered sleep, and social withdrawal are often treated as inconvenient side ...

Kate Markey, MBBS, PhD, has discovered a link between the intestinal microbiome and developing chronic graft-versus-host ...