In the latest Alzheimer’s research, hidden fat in various parts of the body was shown to be an early warning sign of the common dementia — as much as 20 years before symptoms emerged.

This suggests that a quarter of the UK population could be at risk of Alzheimer's, with one in four adults considered overweight or obese.

Many of us know about the most evident signs of Alzheimer’s disease, a condition that affects brain function, leading to memory loss, and behaviour and mood alterations. But recent research has indicated that a physical precursor to the disease might manifest on the body long before any cognitive decline is noticed.