Hemorrhoids come in two basic kinds, internal and external.
Internal hemorrhoids are actually on the hemorrhoidal cushions, inside the anal canal, and you generally don't know that they're there until either they start bleeding or they prolapse, which means to poke outside the body.
Prolapsed internal hemorrhoids are a very, very bad thing, especially if they won't stay inside the body after a bowel movement, because the powerful anal sphincter can stra...
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