Functional medicine principles like dietary changes can improve symptoms in autoimmune diseases, depression, gut issues, dementia, autism, and diabetes.

“And people would come in with autoimmune diseases or with intractable depression or with terrible gut issues, or dementia or autism or, you name it, diabetes. And I would apply these principles and they'd get better. And literally, I would say, eat this way, don't eat that. You know, simple stuff. Like it was not that complicated. And six weeks later, I'd say-- their follow-up visit, I'd say, so how are you doing? Oh, all my symptoms are better. I'm like, what? Really? Your migraines are gone? Like, I couldn't believe it.”