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Most rare human features you wont believe exists.

Werewolf syndrome.

Hypertrichosis knew as a werewolf syndrome is a rare condition characterized by excessive abnormal hair growth anywhere on a person's body.


Vitiligo is a long-term condition where pale white patches develop on the skin. It's caused by the lack of melanin. Emotionally stressful events may trigger the development of vitiligo.


Heterochromia is when a person has different colored eyes that have more than one color.

Mirror hand syndrome.

Ulnar dimelia known as mirror syndrome is a rare congenital anomaly of the upper limb characterized by the absence of radial rays, duplication of the ulnar.

Red hair.

Red hair is the rarest hair color in humans, redheads can become more common through genetic drift. It occurs in just 1 to 2 percent of the population. It's a result of a mutated MC1R gene. If both parents carry the gene, their child has 25% of getting the hair.

Blue eyes.

The way blue eyes develop is even rarer than eye color itself. Scientists have discovered that a genetic mutation on the OCA2 gene changes body pigment production, creating blue eyes. Only 8 percent of the world's population has blue eyes. Blue eyes are frequently found in nationalities located near northern Europe.

Preauricular pit

The preauricular pit is a small hole in front of the ear towards the face, that some people are born with. The hole is connected to an unusual sinus tract under the skin. Only 4-10% percentage of the population in Asia and Africa have it, 0.9% in UK and 0.1 to 0.9% in the US.

Turtle shell mole.

The rare birthmark congenital melanocytic nevus affects around 1 in 20 000 newborn babies

Tongue tentacles

Some people have small horn-like triangular flaps of skin under their tongues. They are on each side of the frenulum (the piece of tissue connecting the bottom of the tongue to the inside of the mouth) under the tongue and run parallel to the two distinct veins. This is rare only 100 people have it.


Hirschsprung is a condition that affects the large intestine and causes problems with passing stool. The condition is present at birth as a result of missing nerve cells in the muscles of the baby's colon. The disease affects males 3 to 4 times more than females, it occurs in one in 5 000 live births. It is usually apparently shortly after birth but may present in older children and adults.


Trichomegaly is a congenital condition in which the eyelashes are abnormally long, curvature, thick. It has various causes that include congenital, familial, acquired, and drugs.

Mermaid syndrome.

Sirenomelia, which is also known as mermaid syndrome, is an extremely rare congenital developmental disorder characterized by anomalies of the lower spine and the lower limbs. Affected infants are born with partial or complete fusion of the legs.

Harlequin ichthyosis.

Harlequin ichthyosis is a rare genetic skin disorder. The newborn is covered with plates of thick skin that crack and split apart. The thick skin plates can pull at and distort facial features and can restrict breathing and eating.

Content created and supplied by: (via Opera News )


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