I saw a pharmaceutical commercial last night that ended with the warning, “Do not take this drug if you have a known allergy to it.”
Other important warnings that I now think might be necessary: Do not operate this vehicle if you never learned how to drive. Do not eat these peanut butter cookies if you have a nut allergy. Do not drink this milkshake if you are lactose intolerant. Avoid adopting a kitten if cat dander makes you sick.
I also wonder how extensive the testing was before the drug company came to that conclusion. How many people with the allergy did they force to take the drug before they were certain it was a bad idea? The compensation to be a subject in that experiment must have been outstanding. Clearly not enough for a sane, reasonable adult like myself, but maybe for a college student whose prefrontal cortex isn’t yet fully developed.