People eat in order to maintain their vital signs, in short, to live.
People can eat to get a lot of protein, sugar and fat and other substances, these substances in the body by the body after digestion and absorption, can provide a lot of energy for our daily work and study to maintain our normal life consumption.
In addition, people can also eat fresh vegetables and fruits to supplement our lack of vitamins and trace elements, these substances have to improve the body’s immunity, etc., can make people less sick, quality of life.
In short, the human body is consuming energy all the time, long time without food, the body will also send out hunger signals to remind us to eat, through eating can supplement our daily work activities of consumption.