Neurofibromatosis is a genetic disease characterized by the appearance of neurofibromas, benign tumors that cover the face and body. Occurs in 1/50,000 births.
First, the baby develops brown spots, which eventually increase and turn into newly formed tumors.
In developed countries, neurofibromatosis is treated with laser therapy and surgical removal of tumors.
Neurofibromatosis is often associated with meningitis and brain cancer. People with neurofibromatosis live up to 65 years.
Now we know how Groot appeared in the Guardians of the Galaxy movie.