" Brain-imaging research is showing that glowing screens - like those of iPads - are as stimulating to the brain's pleasure centre and as able to increase levels of dopamine (the primary feel-good neurotransmitter) as much as sex does. This brain-orgasm effect is what makes screen so addictive for adults, but even more so for children with still-developing brains that just aren't equipped to handle that level of stimulation "

― Nicholas Kardaras , Glow Kids: How Screen Addiction Is Hijacking Our Kids -- And How to Break the Trance