Why is it easy to have a headache when the weather is hot?

In hot weather, in addition to heatstroke, many people will have headache symptoms inexplicably. In fact, this is probably due to the following two factors: 1. When the weather is hot, people's mental state is very important. If they are excited, people are more likely to endure hot weather and even feel nothing. However, if they are depressed, depressed, etc. They are easily restless, bored and show headaches. Some people sleep little at night, or are very tired and lack rest, so it is easy to have a headache when they walk outside for a long time in hot weather. 2. Sweating more makes the effective circulating blood volume of the whole body decrease, the heart rate and blood pressure increase, and the brain nervous system is in an excited state (this excitement is different from the emotional excitement in the first article). This state of excitement is not a problem for a short time, but it is easy to hurt your head if it lasts too long. Besides, it seems to be a pain. In this regard, the treatment methods are: 1 Drinking some cool drinks or tea can quickly relieve psychological pressure, replenish blood flow, lower blood pressure and relieve headaches. If the effect is not obvious after drinking water and the headache is still serious, sleep is used to prevent the brain from being overactive and turn it into inhibition, thus eliminating the headache.