Irritable Bowel Syndrome (IBS) | Symptoms, Causes, Diagnosis & Treatment

5. Hereditary factors

It is found that people with a family history of irritable bowel syndrome are more likely to suffer from IBS than those with a clear account. According to the previous observation theories, there are prevalent claims that irritable bowel syndrome is mainly passed down genetically and there’s a genetic link playing a significant role in its onset, but none of these claims are well proved.