Only 1 in 20 U.S. adolescents is meeting national recommendations for sleeping, physical activity, and screen time, according to new research.
from Top Technology News -- ScienceDaily https://www.sciencedaily.com/releases/2019/02/190204114643.htm
from Top Technology News -- ScienceDaily https://www.sciencedaily.com/releases/2019/02/190204114643.htm
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