@CNN: Screen time has more than doubled for children under 2 years old since 1997, according to a new study, with time spent in front of a TV as the main driver despite the availability of various new devices. @drsanjaygupta reports: https://t.co/FL92GTcBVF https://t.co/ZN7Bgs80K9

@CNN: Screen time has more than doubled for children under 2 years old since 1997, according to a new study, with time spent in front of a TV as the main driver despite the availability of various new devices.

@drsanjaygupta reports: https://t.co/FL92GTcBVF https://t.co/ZN7Bgs80K9