Holistic Employee

I have an employee that pratices "Holistic Divinity" (meaning she does not believe in or will visit doctors) She is very asthmatic and has been missing work more and more often. I think you can see where I'm headed. Workmens Comp, ADA, ect. Any thoughts would be appreciated.
Comments
I'm sure one of the attorney-editors out here must have some guidance. Good luck.