Bed wetting can be an issue for many kids, both boy and girls. A study by Steve James Hodges, M.D. Assistant Professor, Surgical Sciences-Urology, shows that one commonly missed cause of bed wetting is constipation. The study used laxatives as a remedy. But a change in diet and Physical Therapy are another, perhaps more natural and long term, way of resolving the issue. You can see an article about the study by clicking here.