Claudia Campanella, 31, works as a student support administrator at a UK university, and in her spare time she is a poo donor. "Some of my friends think it is a bit weird or disgusting, but it doesn't worry me. It's very easy to donate and I just want to help with medical research. I'm glad to contribute." Her faeces, teeming with "good" bugs, will be put into the bowel of a sick patient to help t