The British royal family has to be the most talked-about in the world, with the Mountbatten-Windsors front and centre. Earlier this year, King Charles and Catherine, Princess of Wales - two leaders within the fold - temporarily stepped back from duties amid respective medical issues.
In February, King Charles announced that he received a cancer diagnosis following a hospital procedure for benign prostate enlargement and a month later, Kate Middleton - who underwent abdominal surgery in January - shared that she was undergoing preventative chemotherapy after post-operative tests had found that cancer was present.
