#15 Blue man syndrome
Have you seen real life smurfs,well, a family from kentuky suffers from blue man syndrome. Hereditary in nature, it causes blood color to change from red to brown and skin from white to blue. And may cause even death.

#14 Prosopagnosia
Are you facing problem to recognize faces,then you are facing prosopagnosia. An estimate 2.5% of the world population suffers from this medical condition which occurs after acute brain damage or can be a birth defect.

#13 False belief
What happens when you feel that your loved ones have been replaced by identical looking imposter,feeling so, then you are suffering from capgras delusion or false belief. Schizophrenics may feel this quite often.

#12 Cotard delusion
A woman by the name Mademoiselle X who was utterly convinced that she deserved to die an unnatural death. So, she starved herself to death and this syndrome happens to be cotard delusion where you are completely sure you are dead,thereby, denying your existence.

#11 The inappropriate wisecracker
Witzelsucht makes people to make inappropriate jokes in the least appropriate times. No need to stop such people as they will not listen to you.

#10 Hyperthymesia
People infatuated by their past have this bizarre condition called hyperthymesia or highly superior autobiographical memory. Given a certain date they could tell you what they were doing that day, really amazing.

#9 Alien hand syndrome
Have you came across a situation when your one hand becomes alien to you.It may sounds weird but people suffering from alien hand syndrome have one hand behaving on its own without their knowledge and may have to use other hand to control the alien hand.

#8 Aquagenic urticaria
Bathing is prime hygiene requirement but when water becomes your enemy,aquatenic urticaria disorder causes rashes and hives on skin due to water. People also finds it difficult to drink water in such a condition.

#7 Harlequin ichthyosis
Severe genetic condition, harlequin ichthyosis, causes skin thickening and covering the body like armor. It can be fatal ultimately.

#6 Auto brewery syndrome
When the gut experiences overgrowth of yeast such that it turns carbs in your food to alcohol which spreads into the blood stream,you feel dizziness,nausea every morning you wake up.Yes,you are suffering from auto brewery syndrome.

#5 Post orgasmic illness syndrome
Have you felt flu like symptoms immediately after ejaculation,then you are allergic to your own semen which is caused under the influence of post orgasmic illness syndrome.

#4 Hemispatial neglect
Give a man suffering from hemispatial neglect to draw a circle, he will draw half a circle.Why?because this intriguing medical condition damages one side of the brain which is,therafter, neglected.

#3 Fatal familial insomnia
This genetic disease may prove fatal as it causes chronic sleeplessness,striking on nervous system and damages brain resulting in loss of memory and severe insomnia.

#2 Syndrome X
Known to have affected only 6 people around the world,syndrome X, causes anti ageing effects wherein people stops ageing mentally and physically and looks like a toddler even if they grow older.

#1 Stone man syndrome
It causes conversion of muscles and soft tissues into bones and till date there is no cure to this bizarre medical state but is found in 1 out of every 2 million people.