Increased television and DVD screen time from age 1 will negatively affect toddlers' later development, a recent study by a children's health research group shows in a medical journal.A prior study in Canada had found the effects of screen time on children aged 2 to 5. The latest research reveals the impact on toddlers as young as 1 for the first time.Based on data from 57,980 children and mothers from a national birth cohort, the Japan Environment and Children's Study, the responses were collected from among five categories according to screen exposure time from none to over four hours.Res…READ FULL ARTICLE