Medical leeches are a thing. https://www.uhhospitals.org/Healthy-at-UH/articles/2020/03/how-leeches-can-save-lives-and-limbs-for-some-patients https://www.uhho

Medical leeches are a thing. https://www.uhhospitals.org/Healthy-at-UH/articles/2020/03/how-leeches-can-save-lives-and-limbs-for-some-patients https://www.uhhospitals.org/Healthy-at-UH/articles/2020/03/h...