There are many foods containing lead in our diet, such as preserved eggs, popcorn (exploded in iron drums), fried dough sticks and so on. Try to eat as little as possible, because lead is harmful to human body and belongs to heavy metal, which will crowd out the positive effects of calcium, iron, zinc and other elements in human body and lead to nerve damage.

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Eat less or no fried smoked food.

Eat less smoked food, because the food baked at ultra-high temperature is easy to produce a large number of carcinogens, which accumulate in the human body for a long time and easily lead to aging and damage of human cells, and our brain cells are the victims.

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Eat less salty food.

We can't eat anything without salt, but too much salt and salty food are bad for our brain development. Excessive blood salinity will affect the blood supply of brain tissue, make brain cells in a state of ischemia and hypoxia for a long time, and easily increase the probability of brain cell injury.

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Don't eat more food containing saccharin.

Popcorn, snacks and so on, which many people like to eat, contain a lot of saccharin, which is different from ordinary sucrose and glucose. Saccharin is an additive, which has adverse effects on brain tissue and brain cells. So don't eat popcorn and snacks in the street, especially foods rich in saccharin.

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Don't eat more food with pesticide residues.

Nowadays, too many pesticides are added to many foods, and the toxicity of pesticides has a greater impact on the brain. Therefore, attention should be paid to reducing the contact of pesticides in daily diet, peeling melons and fruits, washing vegetables and fruits with salt water before cooking, etc., so as to minimize the impact of pesticides on the human body.

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The brain should be used frequently, such as doing some calculations and reading books. And exercising the brain can enhance the activity of brain cells, which is very helpful to improve the vitality of the brain.