Irritable Bowel Syndrome, or IBS, is a common gut issue where people feel abdominal pain and notice changes in their bathroom habits. It's a bit of a mystery, but doctors now use something called the Rome IV criteria to help figure out who has it.

IBS is a complex condition with no single cause, but rather multiple factors contributing to its development. One common idea is that it starts in the gut, especially in people with certain genetic factors and an imbalance in their gut bacteria. Factors like infections or certain foods can disrupt the gut's balance, leading to inflammation and immune system changes.

IBS is a condition that affects many people around the world. However, the number of people affected can vary widely depending on where you are. In some places, only about 1 in every 100 people have IBS, while in others, it can be as high as nearly half the population.

Irritable Bowel Syndrome, or IBS, is a common gut issue where people feel abdominal pain and notice changes in their bathroom habits. It's a bit of a mystery, but doctors now use something called the Rome IV criteria to help figure out who has it.