In life, many people suffer from a variety of accidents that result in damage to the brain, resulting in concussions, so why does damage to the brain result in concussions? A concussion is usually caused by a patient’s head being struck. Within a short period of time, the patient’s brain function may be damaged and there are various complications such as nausea, vomiting and dizziness. There are different types of concussions depending on the extent and location of the brain injury, but concussion patients can usually recover completely after a period of rest. In addition, concussions are usually caused by external factors, and concussions caused by collisions with external hard objects are more common, such as falls from walking and collisions between the head and the ground. Another kind of concussion is caused by the reaction of other parts of the body to the brain, for example, if a person falls from a high place and lands on his buttocks, it is likely to act on the brain and cause a concussion. This is because the brain is the “commander-in-chief” of the human body, and local damage will naturally affect the brain. In short, when there is a concussion, do not be too nervous, to soothe the mood, and go to the local hospital for examination, after confirming that there is no major problem, rest for a period of time, it is possible to recover.