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2). Hemorrhoids and Enlarged Rectal Veins By :
Hemorrhoids, in the rectum, occur when the veins are not returning enough blood back to the heart. When this happens, the vein walls do not receive enough oxygen and release a substance into the blood that causes them swell and become inflamed. This swelling weakens them and their more likely to break when they are rubbed, like during a bowel movement.
Article Related to: hemorrhoids, rectum, veins, constipation, swelling, enlarged, constipated
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