1, fish, 60% of brain cells are composed of unsaturated fatty acids, of which DHA is the most important. DHA is an important component of brain nerve cells, which is very important for the transmission of brain nerve signals and the growth of synapses, and can enhance brain intelligence, memory and concentration. Fish contains many unsaturated fatty acids, protein, inorganic salts and vitamins, which is beneficial to improve our memory.

2. 86% of the fat in walnut is unsaturated fatty acid, which is rich in copper, magnesium, potassium, vitamin B6, folic acid, vitamin B 1 and so on. It also contains nicotinic acid, iron, vitamin B2, pantothenic acid, etc. , help to improve memory.

3, milk milk is rich in minerals, calcium, phosphorus, iron, zinc, copper and so on. It is the best source of calcium in human body, and the ratio of calcium to phosphorus is very suitable, which is conducive to the absorption of calcium and helps sleep. , and can enhance memory.