I had to dismiss negative thoughts and find happiness in the smallest things. There was a lot of trial and error,' she said. "Now it's a matter of managing the condition in the best possible way." Sultan has also written a book about her experiences called A Life With Uncertainty. It has received high praise in Australia, where it was shortlisted for the Australian Prime Minister's Literary Awards in 2022. An estimated 12,000 people live with scleroderma in the UK, although they have to wait three years on average to receive a diagnosis.