Did you know that if you get a blood transfusion and the donor is trans, you’re exposed to enough hormones that you can become trans too? It’s way too dangerous to get a blood transfusion these days. /s

(Using this as an example specifically because I know trans people who were turned away from giving blood in the first place, including a trans girl I used to date. She was assumed to have a significantly more risky sexual history than she actually did, and I’m also negative for HIV)