Anyone reading this likely already knows at least a little bit (and maybe a lot) about D-chiro-inositol (DCI) and PCOS, and some of you may even be scratching your heads wondering what DCI or PCOS could possibly have to do with Alzheimer's Disease, a form of progressive dementia affecting an estimated 5.6 million Americans. Well, the answer is a very interesting one, so please read on, especially if you or anyone you know has a loved one struggling with Alzheimer's disease.