According to trans activists (including activist clinicians), study after study allegedly prove that "gender-affirming” interventions improve mental health, save lives, and justify removing the healthy breasts of 12-year-olds. If you’ve checked out our list of common flaws, you’ll recognize the problems that make them, at best, unreliable, and, at worst, obviously deceptive — especially given that even when these glaring problems are pointed out, proponents of “affirmative care” continue to promote them as valuable evidence. Below, we’ve listed oft-quoted studies (more to come!), along with a breakdown of the most egregious flaws, with links to both the study and published rebuttals.