The Prince of Wales has always generally enjoyed good health – with most of his injuries due to his sporting pursuits.

Charles, 71, keeps active with hill walking and gardening, but does suffer from back pain, attributed to numerous falls from horses over the years while playing polo.

In March last year, as Charles and the Duchess of Cornwall began an official tour to the Caribbean, they were photographed by the paparazzi relaxing on a beach in Barbados in their swimming costumes.

In 2008, he had a non-cancerous growth removed from the bridge of his nose in a minor, routine procedure…