Mediterranean diet delays Alzheimer's for three extra years

Following a Mediterranean diet can help delay Alzheimer’s disease – and perhaps even prevent it altogether, brain imaging suggests.

Population studies have found that people who eat a Mediterranean diet – mostly plants, fish and olive oil and limited red meat, sugar and processed food – tend to be less prone to Alzheimer’s disease.

To understand why, Lisa Mosconi at Weill Cornell Medical College and her colleagues scanned the brains of 70 healthy adults aged 30 to 60, half of whom had been following a Mediterranean diet for at least five years.…