90% of the human population has some form of a parasite living in their body. Scary, huh? They are pretty quiet borders, though. You don't even know they are there. Some are more deadly than others---like the human fluke. He likes to cause cancer....
You can do a parasite cleanse and be parasite free and then walk out in your yard barefooted and pick up another one.....Killing parasites is an ongoing battle......