Trichotillomania is an unusual disease often triggered by stress, depression or a defective gene. People who suffer from this disease tend to pull out the hairs from their head, eyelashes, nose and even crotch.
Latah is a disease in which the sufferer falls into a trance and becomes completely unaware of their actions. People who suffer from this ailment are referred to as latahs and in their trance-state will mimic the speech and actions of those around them and obey all commands given to them.
Necrotizing Fasciitis is the disturbing ailment most commonly known as the flesh eating bacteria disease. Affecting the deepest layers of the skin, it is a rare disease that enters the skin via small cuts or bruises. As the name suggests, the infection eats through the flesh and causes skin to peel off. In extreme cases, the bacteria can cause complete loss of limbs and, if left untreated, even death.
Cotard Delusion or Cotard’s disease describes people who suffer from the belief that they are dead. Affected people believe that they have lost all of their blood and their internal organs. The disease is related to extreme stress, ergo treatment is very difficult.
First noted in 1901, Blaschko’s lines are an extremely rare and unexplained medical phenomenon. Though not exactly a disease, Blashko’s lines are an invisible pattern built into human DNA that gives the appearance of stripes across the body.