When I first saw this, I laughed out loud. I thought it was a joke. Maybe it was a way to cut in line at the stadium? But when I read a bit more, I realized it's actually a real thing. Since some people in the world apparently need such a thing as a part of their medical emergency preparation, they don't need people like me laughing at them. So I thought I'd spread the news about the existence of this kind of card --

https://www.crohnsandcolitis.com