TON KOENE, VISUALS UNLIMITED / SCIENCE PHOTO LIBRARY TON KOENE, VISUALS UNLIMITED / SCIENCE PHOTO LIBRARY
Refugee child receiving a vitamin A capsule. Vitamin A plays an important role in maintaining healthy skin and mucous membranes, as well as in growth, reproduction and night vision. It can be made in the body from the precursor beta carotene found in vegetables and fruit. It is also found in liver and dairy products. Deficiencies in vitamin A can lead to slow growth and night blindness. Photographed in Chad.
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