This recent NYer article is a pretty good overview, written by a practicing physician: https://www.newyorker.com/magazine/2026/04/13/why-are-people-injecting-t

This recent NYer article is a pretty good overview, written by a practicing physician: https://www.newyorker.com/magazine/2026/04/13/why-are-people-injecting-themselves-with-peptides https://www.newyorker.com/magazine/2026/04/13/why-are-people...