A. Causes of headache A headache may be caused by an irritation of the meninges and an increase in tension due to vasoconstriction, or it may be a signal from the brain to alert us that there is not enough oxygen and that more oxygen is needed. As soon as blood containing a lot of oxygen flows into the painful area, the headache will disappear immediately. However, you must find out what causes the headache in order to solve the headache problem. 1.Physical factors: various causes that can cause intracranial and extracranial inflammation and injury; traction, stretching, displacement and expansion of blood vessels due to swelling compression and other reasons; stimulation of meninges; muscle contraction; direct stimulation of sensory nerves innervating the head and face can cause headache. 2.Neuropsychiatric factors: When the body and mind are stimulated by the external environment, they tend to produce emotions such as worry and anxiety, which can lead to the attack of migraine. 3, dietary factors: consuming too much coffee will make the blood vessels dilate and stimulate the nerves to cause migraine; and when eating too cold ice cream, you will also feel headache; drinking too much alcohol and the ethanol in the alcohol acts on the blood vessels, which will also cause headache, these are all headaches caused by improper diet. Experts have calculated that the ranking of food that can easily trigger headaches are: chocolate, alcoholic beverages, raw dairy products, lemon juice, cheese, red wine. 4.Sleep factor: This is the more common cause of migraine. The headache is triggered by a serious lack of sleep, and the stressful work can also cause similar symptoms. 5.Disease factor: Lesions of the eyes, ears, nose and sinuses, teeth, and neck can stimulate the nerves and affect the head and face reflexively or diffusely, all of which can cause reflexive or implicated migraine. 2. Ways to relieve migraine 1. Ice bag cold compress: Put ice in an ice bag or wrap it in a towel and put it on the headache area. When the cooled head blood vessels contract, the symptoms will naturally be reduced. Lie down and rest for a while: If you have the conditions, when you have a migraine attack, you may want to rest for a while in a room with low light and quiet surroundings, generally speaking, as long as you sleep for half an hour, the migraine will be alleviated. 2, massage the head: moderate massage of the head is an effective way to relieve migraine headaches. The temple is an important point for migraine massage, you can use your index finger to press, you can use your fist to gently turn back and forth massage from the temple to the hairline. 3.Drink green tea: The substances in green tea are effective in relieving migraine, so you can drink green tea in moderation to overcome a severe migraine. 4. Meditation: The use of yoga and meditation is a new way to treat migraines. You can buy a CD of this kind and meditate for a while with your eyes closed with the music when the headache strikes, so that the harmonious sounds of nature can make you forget about your illness. 5. Wrap a towel around your head: It may seem ridiculous, but this is indeed a good way to treat migraines. When in pain, use a towel or soft cloth to wrap around the temples loosely and tightly, so as to inhibit blood vessel dilation and relieve pain. There are many factors that trigger migraines, so patients should not use medication at will, but must go to the hospital to confirm the diagnosis and use the medication under the guidance of a doctor to get a good effect.