This story is part of the KXAN Data Hub, where numbers help tell the whole story. We’ve created several data-driven stories and databases on topics including weather and climate, politics, education, ...
Vegetables like carrots and sweet potatoes are rich sources of vitamin A. Eggs, organ meats, and fortified foods offer vitamin A and other nutrients. There are two forms of vitamin A in the diet: ...
Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...
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