"Became angry" 　Brain injury usually makes people angrier than before. They call it irritability or get annoyed. Many people may say that this is true. Some people say that they have become more mild-mannered than before, but this is rare. 　How many people become angry? I don't know the exact statistics. You would have to ask them with that in mind to find out. 　In my experience, it is rare to find someone who is not angry. 　A kind woman came to me and I thought she was not very angry, but then her husband came to me and told me that he had been having trouble with anger lately. Sometimes, when she tells me that she gets angry with her parents, I ask her if she gets angry with them, too. 　There are different degrees of anger. Some people are somewhat irritable, others yell at people in crowds, others lose their jobs because of fights, and still others end up in police custody. 　Fortunately, many seem to stay within the family. However, there are many family members who would prefer not to be angry if possible. 　Why do they become angry? 　It is understandable that it is possible for a person to become irritable and hit those around him or her because of the aftereffects of the brain injury, such as difficulty walking or talking. 　In addition to these psychological factors, it is also possible to become easily angry due to an injury to a part of the brain. 　It is characterized by a gradual becoming angry, as in, "Come on, I'm getting angry." Instead of gradually becoming angry, they become angry suddenly. The expression "snapping" seems to be apt. People around them are surprised at the suddenness of his/her anger. 　The person who was yelled at often feels bad for a while and holds onto the anger for a long time, but the person himself is surprisingly calm and after two or three days, he looks at you strangely, wondering what you are angry about. 　This is a serious aftereffect. Many people develop cracks with their families, and some people find that they have fewer friends. 　Is there a cure? As with all symptoms of higher brain dysfunction, it is important for the patient to be aware that after the brain injury, he or she is a little irritable, and that even the slightest thing makes him or her angry, and that he or she should try not to snap if possible. Some people try to be alone when they feel angry, or try to avoid irritating situations (fatigue, noise, insomnia). 　Drugs have also been studied in various ways. However, drugs that do not make you angry are not immediately available. They try drugs that calm them down, make them less anxious, or make them less depressed. Some medications, however, can have side effects, such as making you drowsy and irritable, or impairing your memory or attention span. Since this is only a symptomatic treatment, it is better to consult with your doctor and family members. Do not suffer alone, and make sure your family and friends understand what you are going through.