having people around, you do feel a degree of embarrassment sometimes for the duration of the visit. he'll be just upstairs gaming all the time and he'll be shouting and cursing. stephen and louise are describing life with their 16—year—old son, who suffers from gaming disorder. those aren't their real names, we're protecting their identities. it's a controversial condition defined by the world health organization by three characteristics — impaired control when gaming, prioritising gaming over other interests, and escalation of gaming, despite negative consequences. the games industry and some psychologists question the evidence used to define the disorder. until quite recently in the uk, help for problems like this could only be sought via private health care. the nhs has created a specialist clinic for treatment of the condition via therapy. hello, national centre for gaming disorder. based in west london, it's part of the national centre for behavioural addictions.