Not to mention the health hazards of ipads and other electronic devices!!!!!!
http://articles.mercola.com/sites/articles/archive/2013/12/19/cell-phone-use.aspx
Never mind the health hazards of making kids carry all their books everywhere in poorly-designed backpacks. Many schools have done away with lockers, requiring kids to literally carry all their books as they go about their school day, with most kids having badly-designed backpacks which they carry incorrectly, resulting in skeletal deformations as they grow.