What IS an enlarged prostate? As it's revealed King Charles will have his treated in hospital, the ultimate guide to a condition that affects HALF of all men by the time they're 60.King Charles, 75, was at his private residence in Balmoral when he was diagnosed with enlarged prostate after attending a check up earlier this week.Kate Middleton's health history revealed, from her battle with extreme morning sickness to the three-inch scar running down her head.Kate is 'doing well' after 'successful' abdominal surgery say Palace sources: Princess of Wales is recovering in hospital as Prince William juggles childcare and being at his wife's bedside - while King Charles faces treatment for 'enlarged prostate'.