Professor Robert is a consultant oncologist at Addenbrooke’s Hospital in Cambridge and Bedford Hospital where he specialises in the treatment of breast, prostate, skin and bowel cancer with hormones, radiotherapy, chemotherapy and biological treatments. Using his 25+ years experience in the field, he is a regular clinical teacher at Cambridge University and lectures at Hospitals, support groups and universities across the World. He leads an active clinical research unit which designs and conducts government backed studies evaluating the impact of exercise, diet and natural therapies to prevent cancer, enhance cancer treatments, reduce the risk of relapse and side effects. From this research, he has published over 100 peer-reviewed scientific papers including, the world's largest randomised controlled trial of a polyphenol-rich nutritional supplement in men with prostate cancer in a nature journal.  Robert's new book "How To Live" is out now.