New research suggests that following the Mediterranean diet which consists of high levels of vegetable fats, could lower the risk of developing dementia.
The study has shown that following this kind of diet can protect the brain and preserve cognitive function.
The research team looked at results from four large population-based studies and found a strong link between a good diet and better brain function in old age.
The US team also found that those who followed a diet that is beneficial to cardiovascular health also had a greater chance of maintaining high levels of cognitive function in old age.
It was discovered that following a specially designed MIND and Mediterranean diet caused a 30 to 35 per cent lower risk of cognitive degradation.
Dr Doug Brown, Director of Research and Development at Alzheimer’s Society said: “These studies continue to build on the increasing evidence that suggests a Mediterranean style diet that’s rich in oily fish, fresh vegetables and nuts can help to maintain your memory as you get older, as well as maintaining your heart’s health.
“We’re starting to see evidence that this diet can not only help maintain memory, but also reduce the risk of dementia.
“And although the biggest risk factor for dementia is age, there are things we can all do now that help to lower our chances of developing the condition, including healthy eating, regular exercise and avoiding smoking.”