5 diagnostic kits comprised of medical diagnostic reagents and assays for testing of bodily fluids for use in disease detection, namely, cancer and pre-malignant conditions, dental and gum disease, throat disease, and risk factors for oral, throat, and systemic disease conditions; diagnostic kits comprised of medical diagnostic reagents and assays for testing of bodily fluids for use in disease detection, namely, cancer and pre-malignant conditions, dental and gum disease, throat disease, and risk factors for oral, throat, and systemic disease conditions, for providing insights to help personalize medical and dental treatment plans based on early detection of oral diseases and risks for systemic diseases; medical diagnostic test kits comprised of reagents, assays, and directions for saliva collection and saliva analysis