Multiple choice

Small doses of ultraviolet light may help the body produce?

  1. melanin

  2. vitamin D

  3. sebum

  4. anxiety
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Exposure to small, controlled doses of ultraviolet light stimulates the skin to produce Vitamin D. It is not responsible for melanin production (which is a response to damage) or sebum.

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