The headache from smoking too many cigarettes is due to the fact that too much smoking leads to cerebral vasospasm and a lack of blood supply to the brain, and the patient will show symptoms of dizziness and headache. It is also related to some of the ingredients in cigarettes that cause cerebral vasoconstriction, which in turn leads to headaches. Heavy smoking can lead to an increase in blood pressure, causing headaches, nausea, and vomiting. In addition, the components of cigarettes can cause damage to the endothelium of blood vessels, forming atherosclerosis, which has a negative impact on cerebrovascular disease and cardiovascular disease. If you can quit smoking, try to quit smoking; if not, try to smoke less. Smoking is harmful to health, and patients who smoke are also prone to sleep disorders, which can also lead to headache symptoms because of sleep disorders.