Cognitive decline: Which strategies would enhance the adoption of a healthy ageing diet as a preventive strategy?

A growing number of researches have shown that a lower intake of some nutrients and proteins is associated with higher risk of cognitive decline or dementia, stressing out the importance of both healthy dietary patterns and the benefits of an adapted nutrition. How are we acting on this scientific information to promote healthy brain ageing? How to identify population groups which do not have an adequate nutrition for cognitive decline prevention? Which specific products and nutrition programs to accompany older adults at risk?