3. Epidermodysplasia verruciformis is an extremely rare autosomal recessive genetic hereditary skin disorder associated with a high risk of carcinoma of the skin. It is characterized by abnormal susceptibility to human papillomaviruses (HPVs) of the skin.
4. Filariasis (Elephantiasis) is a parasitic and is considered an infectious tropical disease, that is caused by thread-like filarial nematode worms in the superfamily Filarioidea, also known as "filariae".
5. People with Pica have an insatiable urge to eat non-food substances (clay, coal, soil, feces, chalk, paper, soap, mucus, ash, etc.). Though it is believed to be linked with mineral deficiency, health experts have found no real cause and no cure for this disorder.
Conclusion: We don't know how lucky we are!