True: cyberbullying is not nice, social skills helps to communicate, improve hand-eye coordination is ok, research for school is a positive effect, lack of sleep is not good for your health, find out activities to help people is a positive effect, too much screen time doesn´t help concentration, blue light can change sleep, False: obesity is good, lose ability to focus is good, eye strain is healthy, on screen advertising is great, blogs cause isolation, devices make it more difficult to communicate, watching tv isn't screen time, a 2 years old boy can use screen 2 hours a day,

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