As someone whose body has, on more than one occasion, done something that made a doctor look deeply and horrifyingly confused, I can confidently say it can be an isolating and jarring experience. That's chronic illness for ya! Every once in a while, I ask BuzzFeed readers like you to share your "medical mysteries" — aka, the "unusual" thing(s) your body does that, surprise!, you didn't know wasn't "normal" until someone else broke the news to you. Honestly, you'd be shocked how common the experience is. Here are 64 people's surprising medical experiences, including my very own (#20!): 1. "I have several pores in my face that produce indigo-colored sweat. Not blackheads, not dirt, but the same handful of pores have done this for decades. Sometimes, I can squeeze out the colored fluid, and sometimes, it pools on my skin in tiny dots after a workout, but it's there! My brother has it, too; it's called chromhidrosis ." — lizzieparnell 2. "I had ' Alice in Wonderland Syndrome ' flare-ups as a kid.…