Their View: Stopping Smartphone Zombie Children

A Denver dad says smartphones turned his two youngest sons into zombies. So he turned himself into a crusader. Timothy Farnum, an anesthesiologist, wants Colorado to be the first state to ban smartphone sales to children younger than 13, and he already has plenty of parents on board. The behavior of his boys, ages 10 and 11, underwent striking changes when they got phones. They became withdrawn, distracted, disinterested in playing outdoors.