10. Congenital Insensitivity to Pain

9. Moebius Syndrome

8. True Hermaphroditism

7. Fibrodysplasia Ossificans Progressiva

6. Ondine's curse(Congenital Central Hypoventilation Syndrome)

5. Proteus Syndrome

4. Progeria(Hutchinson-Gilford Syndrome)

3. True Human Tail(Vestigial Tail)

2. Parasite Twin(Fetus in Fetus)

1. Human Werewolf Syndrome

 

via mercola