Andrew Huberman· PhD
And it took a couple of years for it to cause this problem. But from one day to the next, I went from being great to not being great. And my gut broke down, I had diarrhea for years, my cognitive function completely went south. It was like I had dementia, ADD, and depression all at once. I ended up having autoimmune stuff going on and just rashes and sores and I couldn't think.