Manufacturing Contamination. 1  20% group: Decreased weight gain, reduced liver weight, increased amount of iron, kidney stones and nephrocalcinosis (a condition where too much calcium is deposited in the kidneys, which has been linked to premature babies). 2  10% group: Reduced liver weight.
Parents should limit kidsâ screen time to 2 hours a day: American Academy of Pediatrics. Mark Risinger, 16, checks his smartphone at home in Glenview, Ill. The American Academy of Pediatrics updated its recommendations for teens and technology on Monday, suggesting parents limit kidsâ screen time to no more than two hours a day.
Even Techies Limit Their Children's Screen Time. Even Techies Limit Their Children's Screen Time. A recent UCLA study found that screen time could negatively affect children's ability to read emotion. But scientists are still unsure how much screen time is too much for a child. A recent UCLA study found that screen time could negatively affect children's ability to read emotion.