Some British doctors claimed that they began to treat Apple iPad users with diseases similar to repetitive strain  This kind of disease, which is jokingly called I injury, is mainly manifested in all kinds of pain in the user's hands, clicks and fingers touching the screen  Experts speculate that most iPad users hold a tablet in their left hand to keep it stable, The right index finger clicks on the screen to send mail or generate documents
Rate of such diseases is very low in areas where iPad is not popularized
 This puts them at risk of repetitive strain, carpal tunnel syndrome and other tendon injuries