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No, I don't get it, but in my anatomy class we just did a chapter on parasites, and it depends on what they look like...The most common one would be pinworms which are small and white and they can make your anal area itch. You can just get a prescription or treatment to get rid of them and I don't think they harm your organs. Another less common kind would be ischarus(sp?) worms that come from infected uncooked pork or other meat that may have the eggs on them. These are bigger and look more like a regular worm, and they can harm you after a while. It's really really unlikely for anyone to have those though. I've never heard of anyone having them anyway. But if you have worms coming out, get to the doc to get a treatment.