According to Samuel Cohen, here’s the bottom line: Alzheimer’s does not reflect normal aging. For most people it is not inevitable and the studies are encouraging. And what of the disease being called type 3 diabetes? A research study reported several years ago concluded that the term “type 3 diabetes” accurately reflects the fact that Alzheimer’s Disease or AD represents a form of diabetes that selectively involves the brain and has molecular and biochemical features that overlap with both type 1 diabetes mellitus and diabetes type 2. It appears to involve a form of insulin dysfunction. More tomorrow.