How Heavy Backpacks Hurt Kids Over TimeLike adorable turtles, their little limbs poking out from under outsized shells, kids shuffle their ways to school bearing on their shoulders ever-heavier backpacks. Even high schoolers have to bend forward beneath books and binders to cart their cargo to and from school. They’re burdensome (and can be goofy-looking), but are they dangerous? Yes, say many experts. “Since at least 1998, we’ve notic
