Why do you get headaches?

Why do you get headache in Chinese medicine from the following aspects, one, wind-damp headache felt wind-cold-damp evil, stagnant in the head meridians, qi and blood paralysis blocked resulting in headache. Second, liver yang headache is caused by emotional depression and anger, qi stagnation and fire, hyperactive liver yang or kidney yin deficiency, water does not contain wood, making hyperactive liver yang and wind yang disturbing headache. 3. Phlegm headache is caused by physical obesity and love of fatty, sweet and thick taste, which leads to dampness and phlegm, and phlegm obstructs the meridians, making the clear yang not spread and leading to headache. Blood deficiency headache is caused by the deficiency of blood after a long illness or blood loss, and the blood deficiency is not able to go up to the brain and marrow, resulting in headache due to the emptiness of the veins and collaterals. V. Blood stasis headache can be caused by headache for a long time, long-standing pain into the ligaments, stasis of the veins and ligaments or fall and pounce injury, causing damage to the brain marrow and poor flow of qi and blood, which can lead to blood stasis headache.