Most of us know someone who spends hours immersed in video games. But when does heavy gaming cross into addiction? The World Health Organization (WHO) has officially classified "gaming disorder"—commonly known as video game addiction—as a disease in the 11th revision of the International Classification of Diseases (ICD-11). This recognition provides a clear, evidence-based definition: "The behavior must be of sufficient severity to cause significant impairment in personal, family, social, educational, occupational, or other important areas of functioning, manifesting clearly over at least 12 months." Health experts worldwide contributed to this inclusion after observing real cases in clinical practice.
A teenager playing the latest hit game for four hours straight is unlikely to be at risk. As WHO expert Shekhar Saxena explains, gaming disorder typically involves individuals spending "20 hours a day for a year" on games, prioritizing gaming over essential needs like eating or sleeping, according to Konbini. Early signs are detectable: monitor for excessive time spent gaming at the expense of friends, outings, meals, or rest. Awareness and self-monitoring can prevent escalation.
This disorder affects only a small fraction of the global population—your 11-year-old nephew hooked on Candy Crush is probably just fine.