A company called EnglishMed has a site that appears to be designed to teach English to medical professionals.  However, it’s an excellent place for any English Language Learner to become more comfortable with vocabulary and dialogue around health issues.

You can hear dialogue, read it, and watch an animated cartoon modeling the conversation.

I have two links to the site — one called Many Medical Conversations and the other titled More Medical Conversations.  They are both near the bottom of the Health category on my English for Beginners page.