5 Reasons Parasites are Beneficial to the Earth
"Parasites aren't all bad, though. In fact, some of them can actually be quite beneficial to humans and other living creatures."
'Parasitism is the most popular lifestyle on Earth'
"Parasites are all around us - humans alone have 100 - yet they receive little attention. That should change, says ecologist Kevin Lafferty"
Tapeworms in Humans
"Tapeworms are flat segmented worms that live in the intestines of some animals."
Parasites - Dracunculiasis (also known as Guinea Worm Disease)
"Humans become infected by drinking unfiltered water containing copepods (small crustaceans) which are infected with larvae of D. medinensis."