Answer:
blue lights, violence
Step-by-step explanation:
In this day in age technology is advancing, and some not for the best. Blue Lights, the lights and techonologu in phones, TVs and other screened items, can severly damage your eyes if you are staring at the contantly. Also violent video games wear of on to kids. They might then be violent twoards othere people or anger easily
(i dont velieve the violence part, but its what most people argue so i added it in)