Walnuts have high nutritional value, but there is no information showing that there is a role of brain.
Walnuts as food is rich in nutrients, per 100 grams of walnuts contain protein 14.9 (g), fat 58.8 (g), saturated fatty acids 4.8 (g), monounsaturated fatty acids 8.8 (g), polyunsaturated fatty acids, 42.8 (g), carbohydrates 19.1 (g), and rich in minerals, phosphorus 294 (mg), potassium 385 (mg), magnesium 131 (mg). (mg).
These nutrients are good for the human body and are required by the body.
Walnuts have a high nutritional value, but are not recommended for people with high blood lipids and blood pressure. They are also not recommended to be consumed in large quantities as they may cause gastrointestinal symptoms.