It’s summer vacation, but 14-year-old Zhang Yuchen has been denied access to his favorite video game, after China tightened its legislation to combat youth gaming addiction. The Chinese market leader, Tencent, has imposed new restrictions on its popular game Honor of Kings. People under the age of 18 are now allowed to play… for a maximum of two hours a day. Some children may sometimes spend an entire day glued to their screens, a phenomenon that has long been criticized in China for its negative consequences, including poor eyesight, lower school results, less physical activity and the risk of addiction....