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 the most oft-quoted studies, along with a breakdown of the most egregious flaws, and we have provided links to both the study and published rebuttals.