What is the cause of hemorrhoids?

Several: Genetics, hard stool, straining, heavy lifting, pregnancy, childbirth.

Piles: Aging, obesity, pregnancy, chronic constipation or diarrhea, excessive use of enemas or laxatives, straining during bowel movements, and spending too much time on the toilet are considered contributing factors. Heredity may also play a part in some cases. There is no reason to believe that hemorrhoids are caused by jobs requiring, for instance, heavy lifting or long hours of sitting, although >.