That point cannot be stressed enough. Do something you enjoy. If you love art, but still want to do medicine, then do both. Major in art, and take the pre-reqs to apply to med school. I was VERY close to getting a degree in culinary arts/sciences and doing the pre-med coursework, but I would have had to go somewhere that wasn't great for the sciences if I wanted to do that. Luckily, I found in college that I absolutely LOVE science as well. I'm not majoring in it because its whats expected of pre-meds. I'm majoring in it because I have a passion for it. I'd probably be doing science regardless if I wanted to do medicine or not. It's just truly gripping for me. I'm honestly wishing I would have gone into biochemistry opposed to physiology now that I'm getting to my later years, but I'm not changing now. I love organic chemistry, and I love really getting to the basis of biological function, and those two things intermingle quite nicely in biochemistry.
Anywho, I think getting into this discussion has taken us way off topic hahaha. Maybe, Im not sure. I like the discussion though. But to summarize. Do what you like in college. You're not restricted to sciences. You just need to do pre-med course work if you want to apply. Shadow doctors. As much as you can. I'm fortunate in this aspect, I know several surgeons personally that worked on me. I told them I was going into medicine and I am setting up shadowing opportunities with all of them. Get some form of relevant work if at all possible, and volunteer. Do well on the MCAT(this is huge). Do your absolute best in classes, this doesn't mean you need to get straight A's, but if you put your best effort forth, good grades in college are not difficult to get.
Anyway, I've gotta get back to studying. Human Pharmacology exam in approximately 3 hours, and it's going to fuck me sideways.