Wait - did we actually start by extending the lifespans of our parasites??? https://en.wikipedia.org/wiki/Nematode https://en.wikipedia.org/wiki/Nematode "The

Wait - did we actually start by extending the lifespans of our parasites??? https://en.wikipedia.org/wiki/Nematode https://en.wikipedia.org/wiki/Nematode "The roughly 2,271 genera are placed in 256 families. The many parasitic forms include pathogens in most plants and animals. A third of the genera occur as parasites of vertebrates; about 35 nematode species occur in humans."