| Essential Vitamins and Minerals (Micronutrients) | 1,163 | - | - |
| Vitamins: Water-Soluble or Fat-Soluble? | 185 | - | - |
| Composition of the Human Body (Compounds/Molecules) | 456 | - | - |
| Natural and Artificial Sweeteners (Food and Nutrition) | 191 | - | - |
| Drugs that are Painkillers (Analgesic/Anesthetic Medicines) | 926 | - | - |
| Recommended Childhood Vaccines for Americans | 14,694 | 0 | - |
| Diseases: Contagious... or Not? | 1,699 | - | - |
| Diseases: Deadliest Infectious Diseases by Country | 1,313 | - | - |
| Diseases, Disorders, Conditions, or Syndromes Named After People | 508 | - | - |
| Diseases Eliminated from the US | 409 | - | - |
| Diseases That are Eradicated or Eradicable | 611 | - | - |
| Diseases the WHO has Declared Emergencies for 🦠 | 2,459 | - | - |
| Diseases: Virus... or Bacteria? | 38,620 | 0 | - |
| Types of Cancer by Awareness Ribbon Color | 276 | - | - |
| Skin Conditions (Yay!) | 610 | - | - |
| Animals With the Most Rabies Cases in the US | 890 | - | - |
| Fictional Diseases in Movies, Books, and Television | 280 | - | - |
| Famous Syndromes (Medical and Otherwise) | 1,414 | - | - |
| Famous Complexes in Psychology | 781 | - | - |
| Freud's Five Psychosexual Development Stages | 252 | - | - |
| Countries with the Last Cases of Smallpox | 170 | - | - |
| Countries with the Highest Incidence of TB (Tuberculosis) | 194 | - | - |
| First 28 Countries of Wuhan Coronavirus COVID-19 Outbreak | 6,686 | - | - |
| Top 5 Countries by Cause of Death | 3,227 | - | - |
| Top 20 Healthiest Countries | 1,962 | - | - |
| First Seven US States with Coronavirus (COVID-19) Cases | 771 | - | - |
| US States with the Most Cases of Hantavirus | 95 | - | - |
| US States with the Highest Radon Levels | 109 | - | - |
| Countries with the Most Recent Cases of Polio | 179 | - | - |
| Countries Outside Europe with Safe Tapwater | 854 | - | - |
| Countries by Age of Oldest Resident Ever | 883 | - | - |
| Match the Pathogen (Virus/Bacterium) to the Disease 🦠 | 298 | - | - |
| Vitamin Names 💊 (Click Quiz) | 199 | - | - |
| JetPunk, M.D.: Prescribe the Best Medicine 💊 | 744 | - | - |
| Name That Gland! | 250 | - | - |
