Some British doctors have announced that they have begun to treat repetitive strain-related illnesses of Apple iPad users. This kind of illness, nicknamed "I injury", is mainly manifested in the user's hand and click, and the finger touching the screen appears various Experts speculate that most IPAD users hold the tablet in their left hand to keep it stable, and the index finger of their right-hand clicks the screen to send an email or generate a file. This makes them suffer from repetitive strain, carpal tunnel syndrome and other tendon injuries. risk. If the following are true, what the above experts can best suppose is:. ['Users who use IPAD are more likely to develop such conditions.', 'Users with other brands of tablets experience similar symptoms.', 'Very few such conditions occur in areas where IPAD is not widespread.', 'Desktop users are less likely to develop such conditions.']