The Centers for Disease Control (CDC) reports that the number of overweight adult Americans increased over 60 percent between 1991 and 2000. According to CDC data, the U.S. population of overweight children between ages two and five increased by almost 36 percent from 1989 to 1999.
Richard Louv (2013). “Last Child in the Woods: Saving our Children from Nature-Deficit Disorder”, p.43, Atlantic Books Ltd
