Simple eye and smell tests could be used to spot dementia years before sufferers experience memory symptoms, new research suggests.

Scientists have developed a blood test that could detect whether or not a person will develop dementia within three years.

Men who drink heavily in their middle age speed up their rate of memory loss, a study has shown.

A 15-minute “selfie” test conducted at home can indicate signs of mental decline that might be the first glimmer of Alzheimer’s.