“Biohacking is the practice of engaging biology with the hacker ethic. Biohacking encompasses a wide spectrum of practices and movements ranging from “Grinders” who design and install do-it-yourself body-enhancements such as magnetic implants to do-it-yourself biologists who conduct at-home gene sequencing.”
[[en.wikipedia.org/wiki/Biohacking]]

Broadly, I can see three main types

grinder: body flesh hacker magnets in fingers
quantified self people: tracking their life, non-invasive
diybio: hacking life in a petri dish