Too much time on smartphone poses health threat
Smartphone diseases identified by the state health insurance program include text neck syndrome, dry eye syndrome, insomnia and carpal tunnel syndrome. In 2018, medical expenses for the four diseases amounted to 433.4 billion won ($372.3 billion), a 46.8 percent jump from 2014’s 295.3 billion won. The number of patients in need of treatment for these conditions totaled 5,462,746, an increase of 14.8 percent over the same period. Roh Young-hak, an orthopedic surgeon at Ewha Womans University Medical Center, said while using handheld devices was not the sole cause of “text neck,” it may be more common among mobile users. “More people spend time hunched over a smartphone, than say, a book,” he said. According to the data presented by the lawmaker, insomnia was the condition that saw the most drastic surge, from 461,790 in 2014 to 597,529 in 2018. Lee Hyang-woon, a neurologist at the same hospital’s sleep center, said exposure to light in the evening “severely inhibits sleep” by interferin...