not that it matters as right now, i think we're running out of time! both: argh! lara chuckles 0h, we didn't manage to save the world. i'm s o rry! yeah, you've all gone the way of the dinosaurs, i'm afraid. apologies. we've known for some time now that video games can help alleviate stress and anxiety, and only last year, we looked at a device called the mdoloris, which is usually used by doctors to see whether patients who are sedated are feeling pain or not. yeah, but they've also been conducting other studies using the machine, specifically with kids who have cancer, to find out whether playing video games could do more for them than just being fun. omar mehtab has been finding out more. ah, nervous. i'm pumped, i'm excited! i'm a little bit nervous. we've arrived at the hospital la paz in madrid and we're here to meet the kids fighting cancer.