People spending long hours at gaming have a tendency to experience adverse effects at school or work and develop physical or mental problems, a Japanese national health institute's survey showed Wednesday.The nationwide survey by the Kurihama Medical and Addiction Center is the first of its kind to probe the relation between gaming and lifestyles, and the result will be used to formulate guidelines for screening and treatment of gaming disorder.According to the addiction center's survey, commissioned by the Ministry of Health, Labor and Welfare, about 33 percent of people in Japan aged betw…READ FULL ARTICLE