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The above table displays information about internet users (age 18 and older). For information about internet adoption among American teens (ages 12-17), please see our teen trend charts.
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of U.S. adults say they track their weight, diet, or exercise routine.
Copyright 2013
The Pew Research Center's Internet & American Life Project is one of seven projects that make up the Pew Research Center. The Center is supported by The Pew Charitable Trust.
