German nutritionist Uwe Knop said that Mediterranean cuisine maintains mental fitness, as it protects against neurodegenerative diseases such as dementia and Alzheimer's.

Knop explained that the Mediterranean cuisine is based on green vegetables such as spinach, cabbage, fish rich in healthy fats and omega-3, such as salmon, mackerel, sardines, nuts, legumes, whole grain products and olive oil. The

These foods supply the body with important vitamins and minerals, and then help support brain functions such as thinking, understanding, memorizing, remembering and concentrating.