Don't drink soft drinks, walnuts, sesame seeds, almonds (a small amount), coarse grains, cereals, fruits and vegetables. It's almost winter now, so you can make up in moderation, and young people don't need to make up. Exercise more, eggs, grape juice to enhance memory. Prevent obesity. You can usually drink a proper amount of tea, such as spring tea, summer green tea, autumn green tea and winter black tea. If it is dry, eat a proper amount of honey. Insufficient nutrition. Eat pine pollen or spirulina or something. Get up early and drink a glass of water on an empty stomach. . .