A very restricted diet that is low in certain natural sugars may help relieve bloating, gas, abdominal pain, and other symptoms in people with irritable bowel syndrome (IBS), Australian researchers report.

What's the best diet for someone with IBS? Can IBS be controlled with diet alone? Expert Patsy Catsos, MS, RD, answers these and other questions about diet and IBS.

Two studies show that a new kind of experimental medication relieves the pain and bloating of persistent constipation better than a placebo.