The World Health Organization have announced that they will add “gaming disorder” to their manual of disease classifications as a mental health condition.

The decision instantly led to disagreement among experts over whether an addiction to playing video games qualifies for the list, which also includes addictions to alcohol and marijuana, along with various internal diseases like respiratory or immune disorders.

WHO defined gaming disorder as “impaired control over gaming, increasing priority given to gaming over other activities to the extent that gaming takes precedence over other interests and daily activities and continuation or escalation of gaming despite the occurrence of negative consequences.”

The organization also emphasized that gaming disorder is something that has to be diagnosed, and that it “affects only a small proportion of people who engage in digital- or video- only gaming activities.”