hide captionWith tablet technology still relatively new, pediatricians are trying to understand how interactive media affects children. iStockphoto.com

With tablet technology still relatively new, pediatricians are trying to understand how interactive media affects children. iStockphoto.com

When it comes to media, parents all want to know: How much is too much for my child?

Dr. Dimitri Christakis, a pediatrician, professor and father of two, has spent a lot of time thinking about the effects of media on young children. Christakis tells NPR’s Arun Rath that not all TV is bad.

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