HOW much time did your child spend looking at a screen today? The answer likely depends on how old they are, what grade they’re in at school and what rules you have in place at home about screen time. But the reality is that for children and adolescents growing up as “digital natives”, it is almost impossible to imagine life without screens of some sort. Author CATHERINE DRAPER, Associate Professor, University of the Witwatersrand Devices like cellphones, laptops and tablets have become ubiquitous as tools for entertainment and education in most parts of the world. This has led parents, guardians,…