Interesting. It is entirely possible. For it to be the case I would expect to see a split in the population on many metrics, especially around education, divid

Interesting. It is entirely possible. For it to be the case I would expect to see a split in the population on many metrics, especially around education, dividing the with / without TV / YouTube groups. Presumably the adverse effects would overcome the dominant factor which I assume is socioeconomic. As for the making your eyes go square - I doubt youtube has any more effect that the old tube tv! Its also believed that reading books gives you bad eyesight ...