Top 10 diseases facts Selected as the most interesting among diseases related questions in Diseases quiz Which infectious agent causes diseases that are the most difficult to cure?Prion. All known prion diseases affect the structure of the brain or other neural tissue and all are currently untreatable and universally fatal. This includes bovine spongiform encephalopathy (BSE, also known as "mad cow disease") in cattle and Creutzfeldt–Jakob disease (CJD) in humans.Created by: globalquiz.orgprions facts » Which animals are the most threatened by a prion disease?Sheep. Scrapie is infectious and incurable. Recent studies suggest prions may be spread through urine and persist in the environment for decades. Scrapie occurs in Europe and North America, but to date, Australia and New Zealand (both major sheep-producing countries) are scrapie-free.Created by: ex-terminatormedicine facts » Europeans brought many diseases to the Americas. Which disease was carried back?Syphilis was present in the Americas before European contact. It was carried from the Americas to Europe by the returning crewmen from Christopher Columbus's voyage. The first outbreak of syphilis in Europe occurred in 1494 in Naples, Italy, during a French invasion.Created by: globalquiz.orgIndians facts » If you were forced to feast along the tribe of cannibals, which part of the human body should you avoid at most?Brain. Eating your own and closely related species is generally a bad idea, as there are species-specific parasites and germs that might get transmitted. But eating brain, bone marrow, and the spinal cord is particularly dangerous, as you may get deadly prion diseases like kuru. Created by: life-o-holiccannibalism facts » Which infectious human disease has been eradicated?Smallpox. After vaccination campaigns throughout the 19th and 20th centuries, the WHO certified the eradication of smallpox in 1979. The fact that humans are the only reservoir for smallpox infection, and that carriers did not exist, played a significant role in the eradication of smallpox. So far, it is the only eradicated infectious human disease.Created by: globalquiz.orgnature facts » If you were invited to an unusual feast among natives in Africa, which animal should you avoid the most?Chimpanzee. Eating closely related species is a very bad idea. There are many parasites and germs that attack both humans and apes, and might easily get transmitted. Created by: Hitter smasherbiology facts » Which disease devastated the native Amerindian population during the conquest of the Aztecs and the Incas by the Spaniards?Smallpox. Cuitláhuac, the 10th tlatoani (ruler) of the Aztec city of Tenochtitlan, died of smallpox in 1520, shortly after its introduction to the Americas, and the Incan emperor Huayna Capac died of it in 1527. Some estimates indicate case fatality rates of 80–90% in Native American populations during smallpox epidemics.Created by: Vinit BhargavNative Americans facts » Which disease causes such hand deformations?Leprosy. Contrary to folklore, leprosy does not cause body parts to fall off. Infections, however, can result in tissue loss causing fingers and toes to become shortened and deformed, as cartilage is absorbed into the body.Created by: globalquiz.orgmedicine facts » During the Middle Ages, sick people wore a bell or a rattle with them. Which disease did they have?Leprosy was incurable, but people could live for long with the disease (unlike the cases of other epidemics). Since leprosy was found infectious, leprosy stigma has been universal, and has been present in all parts of the world where leprosy was present. In Europe, the leper would carry a clapper and bell to warn of his approach.Created by: Monica StillerMiddle Ages facts » For what reason were hatters considered mad in the Victorian era?Mercury poisoning. Mad hatter's disease is a common name for chronic mercury poisoning among hatmakers, who were often exposed to mercury vapors during felting works. Along with physical symptoms such as tremors or loss of hair and teeth, hatters tended to develop characteristic psychological traits, such as pathological shyness and marked irritability.Created by: globalquiz.orghistory facts » Play diseases quiz and see all the questions.