See your doctor right away if you have: 1  Arm, shoulder or back pain that occurs with any sort of exertion and is relieved by rest â possibly signaling heart disease or chest discomfort caused by reduced blood flow to your heart muscle (angina)  A sudden injury to your arm, particularly if you hear a snap or cracking sound.
Who Is Affected by Irritable Bowel Syndrome (IBS) Irritable bowel syndrome (IBS) is one of the most common intestinal disorders, affecting about 7 to 10 out of 100 people in the world. But most people who have IBS don't see a doctor for their symptoms. IBS is twice as common in women as in men. References.
Irritable Bowel Syndrome (IBS) Irritable Bowel Syndrome (IBS) The exact cause of irritable bowel syndrome (IBS) isn't known. But health experts believe that faulty communication between the brain and the intestinal tract is one cause of symptoms. In some people, this miscommunication causes abnormal muscle contractions or spasms, which often cause cramping pain.