Dr Alice Roberts peers inside her own stomach by swallowing a tiny camera - one of the latest diagnostic tools in modern medicine. The pictures recorded reveal some surprising, if harmless, results. Using dissection, drawing and some unusual tests involving sweet corn and a stop watch, we find where the stomach and intestines are, how big they are and how best to look after them. And with bowel cancer the second most common cause of death from cancer it is a message we all need to hear. Show less