Sunlight could stop short-sightedness

A spreading pandemic of myopia among the world’s urban children may be avoided if children spend at least two to three hours each day outdoors.

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<p><a href="http://www.physorg.com/news150487968.html">Sunlight could stop short-sightedness</a></p> <p>A spreading pandemic of myopia among the world’s urban children may be avoided if children spend at least two to three hours each day outdoors. </p>