Based on Science
Since President Lincoln signed a congressional charter forming the National Academy of Sciences in 1863, the National Academies have served the nation by drawing on the knowledge of the country’s top experts to deliver nonpartisan, objective advice on scientific matters. Based On Science uses the community of experts to provide the most up-to-date, evidence-based information about science and health questions that affect the decisions we make each day.
Can vitamin A help prevent measles?
Based on Science
Vitamin A does not prevent measles. The most effective way to prevent measles is through vaccination. Vitamin A supplements are a tool in reducing complications from measles, but they will not prevent infection. Vitamin A, when used under the guidance of a health care provider, may reduce the severity of measles, particularly among children at high risk of deficiency. However, too much vitamin A is dangerous.
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