Theoretically, it is possible. Mental work does consume a lot of energy, and the main source of energy is blood sugar. If you use your brain too much, your blood sugar is low, and other parts of your body need energy, then glycogen, fat and other substances will naturally be decomposed to replenish energy. However, whether you can lose weight depends on whether there is a difference between energy consumption and energy intake. If a person solves many math problems and controls his diet every day, believe me, he will definitely lose weight.

First of all, talk about the energy-supplying substances in the brain. The brain is supplied with glucose and ketone bodies, which can pass through the blood-brain barrier. Under normal circumstances, the content is very low. Only under the condition of long-term hunger and insufficient sugar supply will it replace glucose as the main energy source of brain tissue. Other energy substances, such as glycogen, protein, fat and so on. Almost all of them are substances with glucose as the only function that cannot pass through the blood-brain barrier. The ventricle, the main organ that consumes a lot of energy, consumes 20% of the whole body's O2 at rest! Every day, the blood supply is about 100g glucose for consumption. When you brush your teeth a lot, you will only consume more glucose.

Chinese medicine believes that the brain should consume the "God" in the "God". What is "God"? It's hard to explain, but there is a saying in Taoism that "refining gas and refining god", then god should be the highest of the three. "Essence" in a broad sense refers to subtle substances in the body, such as sperm, saliva, various digestive enzymes, blood and so on. "Qi" refers to all kinds of functions, such as liver qi being uncomfortable and stomach qi not falling, which refers to the functions of liver and stomach. "God" is hard to explain. In the words of traditional Chinese medicine, it means "god is fascinated by his spirit", but there is a saying in Taoism that "god is full of sleep", which means that a person will not be sleepy when he is full of god. Sometimes when we are doing a very complicated thing (such as doing a difficult math problem), we will say, "This thing is really hard!" " "This is' god'. There are two kinds of obesity, one is "strong" and the other is "puffiness." Strong people are "good" and healthy. People with "puffiness" have spleen deficiency and poor digestive function (don't think that people with poor digestive function will only be thin). "puffiness" is mostly due to phlegm and dampness in the body. There is a simple way to judge whether there is "wetness" in the body. People with spleen deficiency and dampness will have tooth marks on both sides of the tongue, and the stool is not easy to wash off. People with spleen deficiency and dampness should exercise more and eat foods that strengthen the spleen and eliminate dampness, such as iron stick yam and red bean barley porridge.