Hemorrhoids are a condition in which the veins in and around the anus or lower rectum are swollen and inflamed. Hemorrhoids may result from straining during a bowel movement. Other contributing factors including pregnancy, aging, chronic constipation or diarrhea, and anal intercourse. Hemorrhoids are not usually dangerous, and can be easily treated, although a thorough evaluation and proper diagnosis by a doctor is important any time bleeding from the rectum or blood in the stool occurs.

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