Radioactive iodine treatment after thyroid cancer surgery usually means side effects like nausea and time in hospital isolated from loved ones. But new clinical trial results from researchers at UCL mean patients worldwide could now safely be spared this treatment. Globally, around 820,000 people are diagnosed with thyroid cancer each year. Compared to most cancers, it affects a high proportion of younger people who are more likely to be parents to young children. It is also three times more