What percent of people in the world have neurofibromatosis

It affects about 1 in 2,500 to 3,000 births each year in the United States. Signs of NF1 may be present at birth and almost always by the time a child is 10. Most people with NF1 have only mild signs and symptoms that need little or no treatment. But some can be more severe.

Explanation:

answer; the correct answer is medical care service field;