Here are 25 Rare and Unusual brain Disorders, some are severe and some we have them and don't even know

1. There is a medical condition called Exploding Head Syndrome, which causes people to experience a sudden feeling of explosion and blinding light inside their head moments before falling asleep.
2. A mental disorder called Cotard’s Syndrome (also known as the Cotard Delusion, the Nihilistic Delusion, and the Walking Corpse Syndrome) causes sufferers to believe that they are in fact dead and do not exist.
3. There is one person in the world with “Syndrome X” which prevents her from normally aging. Brooke Greenberg is 20 and appears to be one year old.
4. There is a woman who suffers from Permanent Sexual Arousal Syndrome (PSAS), meaning she has more than 200 orgasms per day.
5. Some people with a rare medical condition known as ‘superior canal dehiscence syndrome’ can actually hear their eyeballs move.

6. There is a disease referred to as Stone Man Syndrome in which the body’s repair mechanism causes fibrous tissue such as muscles, tendons, and ligaments to turn into bone when they are injured. – Source
7. Astronauts who live in space for extended periods of time are at risk of developing solipsism syndrome – “a psychological state in which a person feels that the world is not external to his or her mind.”
8. People suffering from Capras syndrome hold a delusion that a friend, spouse, parent, or other close related family member has been replaced by an identical-looking impostor.
9. Broken heart is not psychological. It can actually kill you. It is a disorder called Takotsubo cardiomyopathy aka Broken Heart Syndrome – Source
10. A woman was left with a Chinese accent resulting from a migraine. It is called Foreign Accent Syndrome (FAS) – Foreign Accent Syndrome is a rare but recurring phenomenon, which causes people to wake up from comas speaking with foreign accents they have never used before

11. Grammatical Pedantry Syndrome is a type of OCD where suffers feel the urge to correct every grammatical error. – Source
12. False Memory Syndrome is believed to have been abused by multiple therapists in order to falsely convince patients that they have been raped, abused, or were once involved in satanic cults. – Source
13. “Fish odor syndrome” causes a person’s sweat, urine and breath to constantly smell of fish – Source
14. Tourists visiting Florence should be on guard for contracting Stendhal syndrome. They feel dizziness and hallucinations due to overexposure to art or “immense beauty in the natural world”
15. Days and possibly even months after ones takes LSD, people experience flashbacks and a syndrome called Hallucinogen Persisting Perception Disorder, in which they suddenly experience LSD’s effects for a short period of time. Researchers do not know why this occurs.

16. There is a genetic disorder as a result of result of a mutation of FOXC2 gene that causes a person to have a double set of eyelashes and the same mutation causes lead to heart failure. Actress Elizabeth Taylor had this disorder
17. Anton-Babinski syndrome is a rare condition in which a person is blind, but thinks that they are capable of seeing.
18. There is a neurological disorder known as Möbius syndrome that is characterized by full facial paralysis. Those afflicted use body language and posture to convey emotions.
19. Getting annoyed at someone when we listen to them eating or breathing is called Misophonia, and it’s an actual neurological disorder.
20. There is a disorder that is thought to be purely psychological called Pseudocyesis, where a woman shows all the symptoms of being pregnant except for the presence of a fetus. Their belly grows at the right rate and they can even go into false labour

21. The opposite of Anorexia is called Bigorexia, a disorder in which a person becomes obsessed with the idea that they aren’t muscular enough.
22. There is a disorder known as Akinetopsia or Motion Blindness. Sufferers do not see any motion, but see the world around them ‘one snapshot’ at a time.
23. There exists a neurological disorder called Hemineglect in which a person’s brain will just ignore one side of an object, usually the left side.
24. There is a medical disorder in infants called “Maple Syrup Urine Disease where the child’s urine smells of maple syrup or burnt sugar and it can be fatal.
25. The symptoms of the mental disorder called Koro involves an intense fear that one’s genitals are fatally retracting into one’s own body. It is most common among Asians.

No it can't be. No 19 and 21 are what i might be suffering from.
Nice one @poster.