Jon Snow reveals he has been privately battling Alzheimer's for years as former Channel 4 news anchor announces diagnosis

Veteran journalist will discuss the reality of living with the condition, the most common form of dementia, in new documentary

Jon Snow reveals he has been privately battling Alzheimer's for years as former Channel 4 news anchor announces diagnosis

Veteran journalist will discuss the reality of living with the condition, the most common form of dementia, in new documentary