Beware! Smartphones can make you hyperactive

We found the first experimental evidence that smartphone interruptions can cause greater inattention and hyperactivity - symptoms of attention deficit hyperactivity disorder - even in people drawn from a nonclinical population," Kushlev said.During the study, 221 students at University of British Columbia in Canada drawn from the general student population were assigned for one week to maximise phone interruptions by keeping notification alerts on, and their phones within easy reach.