I found out I had a copy of the Chris Hemsworth dementia gene 20 years ago This is what I ve done ever since to keep the disease at bay - and what you should do too dailymail.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dailymail.co.uk Daily Mail and Mail on Sunday newspapers.
James Norton smouldered as Andrei Bolkonsky in War and Peace, and he has type 1 diabetes, an autoimmune condition that affects around 300,000 people in the UK and is on the rise.