How is brain left painful to return a responsibility

The symptoms of pain on the left side of the head should be migraine headaches. Many reasons may cause migraine headaches. If the mood is unstable, excessive tension, anger, excitement, etc. for some reasons may cause headaches. Changes in environmental factors, social factors, or hot and cold stimuli may also cause headaches. If you sleep after 12 o'clock at night, sleep time is insufficient or you wake up frequently during sleep, dreams are particularly frequent, causing sleep quality to decline, and may also cause a headache on one side. Left head pain, if acupuncture pain, may be neuropathic pain, may be related to work or study pressure, certain stimuli, etc., massage or acupuncture treatment. One side headache may also be related to blood pressure, cerebrovascular disease, cold, etc., you can go to the hospital for examination, determine the cause and then treat.