As a psychiatrist with clinical experience treating people with Alzheimer’s disease, I’ve been writing and speaking about Alzheimer’s for some time now. But it wasn’t until I was invited to give a presentation about insulin resistance and neurodegenerative diseases at the first annual Keto-Live conference in Bergün, Switzerland in early June that I delved into the Parkinson’s disease research for the first time. What I discovered was a cornucopia of striking metabolic similarities between Parkinson’s and Alzheimer’s. If Alzheimer’s disease is Type 3 Diabetes, could Parkinson’s disease be Type 4 Diabetes? Read all the details in my latest post on Psychology Today.