As the weather gets colder, many diseases come to our door. In particular, our elderly people are prone to many diseases in winter, among which cerebral infarction is a highly prevalent disease. In recent years, we can also learn from various website platforms about the various news brought by brain infarction. For the elderly, the three highs themselves are more frequent, and brain infarction is an inescapable health problem, after suffering from brain infarction, the sequelae brought to the body is very big, the body may appear paralysis. Therefore, in daily life, it is particularly important to actively do a good job of prevention. Very often, when the brain infarction appears, the body will appear these 3 signals, let’s take a look. This is mainly because, after suffering from cerebral infarction, the blood circulation in the brain is blocked and the blood circulation is not smooth, which can easily lead to the retinal function being damaged and the vision being affected. This situation, generally speaking, will last for a few seconds or dozens of seconds. Some times, we may have a hard tongue, accompanied by a hard tongue, numbness, unclear speech, and difficulty in swallowing. The headache caused by cerebral infarction is very different from our normal headache. The ordinary headache may be caused by cold or cold, and the headache will be greatly improved after resting for a while or taking cold medicine. The headache caused by cerebral infarction, on the other hand, will slowly change from intermittent to persistent and severe headache as the symptoms get worse. Moreover, it will be accompanied by nausea and vomiting. These are the three signs that may appear before the arrival of a brain infarction. If these three symptoms appear, we need to pay attention to them and seek timely medical attention for prevention.