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| Description: The number of hours toddlers spend watching TV is correlated with their risk of being hyperactive a few years later. Does that mean TV-watching causes hyperactivity problems? Are there other possible explanations for this finding? Picture Stats: Views: 227 Filesize: 620.15kB Height: 423 Width: 594 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=39011 |