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1、Hemorrhoids 痔(疮),Definition,Hemorrhoids (HEM-uh-roids), also called piles, are swollen and inflamed veins in your anus and lower rectum. Hemorrhoids are common ailments. By age 50, about half of adults have had to deal with the itching, discomfort and bleeding that can signal the presence of hemorrh
2、oids.,Causes,Straining during bowel movements（排便过程中的紧张） Sitting for long periods of time on the toilet （长时间坐在马桶上） Chronic diarrhea or constipation （慢性腹泻或便秘） Obesity （肥胖） Pregnancy （怀孕）,Diagnosis,Internal hemorrhoids(内痔)External hemorrhoids（外痔）,Diagnosis,内痔,外痔,Complications,Anemia（贫血：Chronic blood lo
3、ss from hemorrhoids may cause anemia, in which you dont have enough healthy red blood cells to carry oxygen to your cells, resulting in fatigue and weakness.） Strangulated hemorrhoid（绞窄痔疮：If blood supply to an internal hemorrhoid is cut off, the hemorrhoid may be “strangulated,“ which can cause extreme pain and lead to tissue death (gangrene).）,Preparation before Operation,Take steps to soften your stools. Eat more high-fiber foods. Drinking six to eight glasses of water a day .,
