Watching cartoons like Sponge Bob Cars and Barbie during radiotherapy sessions may make them less traumatic for kids as well as spare dozens of general anaesthesia doses a study said. According to the research this would also make each treatment quicker and more cost effective. There are around 215000 new cases in the under-15 age group each year worldwide. Around a sixth of these children require treatment with radiotherapy including those with brain tumours and bone and soft tissue sarcomas such as ewing sarcoma and rhabdomyosarcoma the researchers said. Radiotherapy can be very scary for children. It's a huge room