These studies are kind of dangerous because they looked for a fact among the population and created causation where none existed. For example, let's assume the area drinks only goat milk, all have 3 or more kids, or has mostly single people.....then one can conclude these are all responsible for lower rates of Alzheimers.
Although I would believe the single people link because after 30-40 years of marriage you want to forget the nagging haha.
