Sound medical advice

I work for some nutjobs, and that might be putting it nicely. "Alternative medicine" is definitely important, and a lot of times it can be very helpful in treating some maladies. And there are definitely a lot of toxins in the environment and in common products that people use or ingest. No arguments there. 

Here's where you lose me:

In fact, research from Stanford Medical School says that the only way you can ever get a disease is if you are under stress. If you are not under stress, you can’t get sick.

Ha! Take that, AIDS! I can have all the unprotected sex I want as long as I’m not stressed out! Kickass!