There exist some forms of experimental medicine that use parasitic worms as treatment.
"Helminthic therapy, an experimental type of immunotherapy, is the treatment of autoimmune diseases and immune disorders by means of deliberate infestation with a helminth or with the eggs of a helminth. "
Wikipedia:
https://en.wikipedia.org/wiki/Helminthic_therapy
See also hirudotherapy; blood sucking leeches used in therapy.
Wikipedia:
https://en.wikipedia.org/wiki/Hirudo_medicinalis#Medicinal_use
Kind of medieval and even older - apparently used as early as 200 B.C. - but has made a comeback
in some circles.
"Helminthic therapy, an experimental type of immunotherapy, is the treatment of autoimmune diseases and immune disorders by means of deliberate infestation with a helminth or with the eggs of a helminth. "
Wikipedia:
https://en.wikipedia.org/wiki/Helminthic_therapy
See also hirudotherapy; blood sucking leeches used in therapy.
Wikipedia:
https://en.wikipedia.org/wiki/Hirudo_medicinalis#Medicinal_use
Kind of medieval and even older - apparently used as early as 200 B.C. - but has made a comeback
in some circles.