Understanding Hair Graying

What age did Joe start going gray?

• 30

• 22

• 16

• 40

Which pigment is responsible for the color in brunettes?

• Carotene

• Eumelanin

• Pheomelanin

• Melatonin

What enzyme breaks down hydrogen peroxide in hair?

• Protease

• Catalase

• Lipase

• Amylase

What is the term for graying hair before the age of 20?

• Premature graying

• Early onset graying

• Adolescent graying

• Juvenile graying

Which lifestyle factor is linked to increased graying?

• Balanced diet

• Meditation

• Regular exercise

• Smoking