Chronic bowel inflammation is based on an excessive or misdirected inflammatory reaction. Experts assume that the immune system also reacts incorrectly to microorganisms in the intestine that do not cause an inflammatory immune reaction in a healthy state. Now, researchers have discovered that yeast fungi could play an important role in this. Trillions of microorganisms colonize the human body, especially the intestine. This microbiome consists mainly of viruses and bacteria, but to a lesser extent also of fungi. However, according to current research, this interaction is disturbed in Crohn's disease, a chronic inflammatory bowel disease where the immune cells react...