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. phone rings. hello, thank you for calling the national centre for gaming disorder. we've got four people, four under 16's parents... based in west london, it is part of the national centre for behavioural addictions. this is the first time cameras have been allowed to film inside the gaming clinic. we know that gaming disorder is quite a rare condition. so, the symptoms of gaming disorder can be really quite severe, which has surprised us. they can struggle with anger, anxiety, and low mood. often, they also experience physical symptoms, in terms of loss of sleep, and that is often because people will be gaming at night to connect with gamers abroad. yeah, so we need to think