Story highlights Americans spend almost 11 hours a day consuming media, a Nielsen report shows

Limiting screen time and other inactive behaviors may reduce obesity risk

(CNN) The average American spends nearly half a day staring at a screen.

A new Nielsen Company audience report reveals that adults in the United States devoted about 10 hours and 39 minutes each day to consuming media during the first quarter of this year.

The report, which was released Monday, included how much time we spend daily using our tablets, smartphones, personal computers, multimedia devices, video games, radios, DVDs, DVRs and TVs.

"The overall results don't surprise me," said Steve Gortmaker, a professor of health sociology at Harvard University who was not involved in the report.

"The number of devices we have proliferate the overall time spent with screens, and the number of devices is increasing," he added. "A lot of people have been thinking about how or whether this time spent is a good use of their time, which becomes a deep issue."

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