Humans most commonly get parasites from drinking water or consuming food that contain parasites. It can also occur from feces contamination. Hand washing and fully cooking and washing food can help...
Until not long ago, most health care professionals generally dismissed of the idea that parasites were a problem in the population at large. But the real problem of parasites can no longer be...
Firstly, it is spelled "different".Secondly, an intestinal parasite populates the gastro-intestinal tract in humans and other animals. A parasite may be attached to an organism at any other location....
They attach on to another organism and live and feed off it. They benefit but their host (the organism that they live on) doesn't.
Actually, parasites result in harm to the host.