0 the use of leeches (= a type of worm that fastens itself onto the bodies of humans and animals to feed on their blood) to treat medical conditions:
The clinic specializes in hirudotherapy or medicinal leech therapy.
Hirudotherapy may sound medieval but it is still used today by health professionals.
Hirudotherapy is sometimes used after microsurgeries, such as plastic or reconstructive surgery.
Detoxification with hirudotherapy became a popular form of natural healing.
