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sgmd gupta school start times_00010307.jpg
sgmd gupta school start times_00010307.jpg

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    Are school start times hurting children?

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Are school start times hurting children?

A new study suggests school shouldn't start before 8:30 for teens. CNN's Dr. Sanjay Gupta reports.

Are school start times hurting children?

A new study suggests school shouldn't start before 8:30 for teens. CNN's Dr. Sanjay Gupta reports.