Changes

A '''headache''' is an ache originating in the [[frontal lobe]]s of the [[brain]].  Headaches may be caused by many things, including [[stress]], [[noise]], and cranial pressure. They can also be caused by both hypertension and hypotension.

A '''headache''' is an ache originating in the [[Frontal lobe]]s of the [[brain]].  Headaches may be caused by many things, including [[stress]], [[noise]], and cranial pressure. They can also be caused by both hypertension and hypotension.

Headaches generally occur the blood vessels in the brain expand to much. Because of this, medicines which constrict blood vessels, such as nicotine and caffeine, are sometimes used to treat headaches, however if they are used excessively they can also exacerbate them.  

Headaches generally occur the blood vessels in the brain expand to much. Because of this, medicines which constrict blood vessels, such as nicotine and caffeine, are sometimes used to treat headaches, however if they are used excessively they can also exacerbate them.