Alzheimer’s diseases in America, Europe, and Asian regions: a global genetic variation 1School of Allied Health Sciences, College of Graduate Studies, Walailak University, Nakhon Si Thammarat, Thailand 2Research Excellence Center for Innovation and Health Product (RECIHP), School of Allied Health Sciences, Walailak University, Nakhon Si Thammarat, Thailand 3Department of Pharmacology & Nutritional Sciences, College of Medicine, University of Kentucky, Lexington, Kentucky, United States...