26-30 Rare and Unusual Disorders
26. Aboulomania is a disorder that involves the occasional onset of crippling indecision. People affected by it simply run into very serious problems whenever they’re faced with certain choices (going for a walk or not, paper or plasic), to the extent that they struggle to regain normal function. – Source
27. In the Dominican Republic and Papa New Guinea there is a disorder called s 5-Alpha-Reductase Deficiency, which causes children to be born female and then at puberty their testicles and penises emerge and they grow up to be fertile males – Source
28. The Italian actor, Leopoldo Fregoli was such a master of impersonating and quick change, that a rare brain disorder was named after him called Fregoli delusion, in which a person holds a delusional belief that different people are in fact a single person who changes appearance or are in disguise. – Source
19. There is a neurological disorder called Apotemnophilia wherein perfectly healthy people want to have their legs amputated, and if they cannot, they will do it themselves. – Source
30. An extremely rare disorder, affecting only three people worldwide, that makes it impossible for them to gain weight and have perfect zero body fat.
31-35 Rare and Unusual Disorders
31. A disorder exists called Kleine Levin syndrome. It is a rare disorder that causes excessive sleeping. A girl with this syndrome had one episode that lasted for 64 days. – Source
32. Fatal familial insomnia causes one to eventually stop sleeping, and then die within 18 months from onset. There is no cure for it. – Source
33. Depersonalization disorder is a mental disorder causes some people to think that they’re just watching life’s gameplay trailer, rather than actually living – Source
34. Lethologica is a psychological disorder that inhibits an individual’s ability to articulate his or her thoughts by temporarily forgetting key words, phrases or names in conversation. – Source
35. The rare disorder of sexsomnia causes people to have sex in their sleep. – Source
36-40 Rare and Unusual Disorders
36. A family (the Fugates) in Kentucky, USA have completely blue skin, caused by a recessive hereditary blood disorder called methemoglobinemia. – Source
37. Prolific artist Vincent Van Gogh suffered from a disorder known as Hypergraphia that caused him to write at a manic rate for an extended period of time. – Source
38. There is a rare disease called Cherubism that causes the lower half of the face to grow excessively large – Source
39. There is a disease called “Ondine’s Curse” that causes people to lose the ability to breathe involuntarily and can die if they fall asleep. – Source
40. People with Adermatoglyphia are born without fingerprints. It is exceedingly rare, affecting only four known extended families worldwide. – Source
41-45 Rare and Unusual Disorders
41. There is a disease called Witzelsucht where people are afflicted to pun uncontrollably – Source
42. That there is an actual psychological disease which confuses people to think they’re in a dream. Like in Inception when Cobb’s wife kills herself because of this confusion. – Source
43. There is a term for looking up symptoms online and believing you have a disease called “cyberchondria.”- Source
44. One in eight people had a twin that died in the womb (Vanishing Twin Syndrome. – Source
45. Puer Aeternus, or Peter Pan Syndrome is the unwillingness to grow up with corresponding immature behaviors. – Source
45-49 Rare and Unusual Disorders
46. Sneezing in response to a numerous stimuli, including looking at bright lights, is called ACHOO Syndrome. – Source
47. Alien Hand Syndrome is a condition in which one hand acts completely on its own. One longtime smoker with AHS repeatedly puts a cigarette into her mouth with her good hand, whereupon her alien hand would remove the cigarette before it could be lit. – Source
48. There is a condition called Alice in Wonderland Syndrome that changes how people perceive the size of objects around them. – Source
49. Horrible sensation of someone giving you a strong noisy kiss on your ear is called Kissing Ear Syndrome and it can potentially cause permanent hearing loss. – Source