It must have been a potent enough dose for 7 people to seek medical attention. I would not be happy if I fed my kids pizza and had to take them to the ER with THC intoxication. 

grayruby

food_and_drinks

I know this is a bad thing (because no one should get drugged, even with something mild, without intentionally wanting it, and yes, some people needed to be treated), but also, I'm amused as hell because once these people ate the pizza, I can only imagine they got the munchies, and then had to eat more pizza, creating a vicious cycle.