Man with three faces' suffers from rare genetic condition

Neurofibromatosis Type 1 (NF1) is a genetic disorder causing tumors along nervous tissue. Key indicators include skin spots and bumps on the iris. Symptoms usually appear by age 10. NF1 affects 1 in 3000 people globally, totaling 3 million. A 2014 study by Washington University found both sexes have equal chances of developing NF1, though it affects them differently.

What is a primary characteristic of Neurofibromatosis Type 1?

• It causes tumors along nervous tissue.

• It is caused by a bacterial infection.

• It is a contagious disease.

• It primarily affects the respiratory system.

Which of the following is an indicator of NF1?

• Red rashes on the skin

• Light brown skin spots

• Swelling in the joints

• Frequent headaches

At what age do signs of NF1 typically appear according to the Mayo Clinic?

• Around the age of 10

• Around the age of 5

• Around the age of 15

• Around the age of 20

How common is NF1 worldwide?

• 1 in 3000 people

• 1 in 2000 people

• 1 in 4000 people

• 1 in 1000 people

What did the 2014 study by Washington University find about NF1?

• It is more common in children.

• Both sexes have equal chances of developing it.

• It affects only females.

• It affects only males.