Obviously they "can" charge you, as they have. Now you need to retain an attorney to fight it, as it appears you have a viable defense.

Respectfully, pretty much every coach since the inception of sports has probably said this. You raised the issue. That's all you can do.

This is not a legal question for lawyers on this site.

yes it is legal. They need to determine the possible cause of your breathing issues.

No. You misspelled discrimination. Study harder.

Walmart is not responsible. The thief is........................

That defense is not going to fly. You need to hire a local ticket attorney.

IMO you have no grounds to sue under these facts.

Of course not. It is not their job to investigate...............

Call them and ask...............................................................