Two heads are better than one! A cluster of heads is still better! But this cluster headache is definitely not desirable! One should not suffer from this chasing disease.
It is chasing because once this headache starts, it occurs daily over a period of weeks extending up to several months! Then it may suddenly disappear and dramatically reappear during the same season in the ensuing year. Its timing is marked and it is perfect!
Who or what is responsible for this cluster headache? Nothing is known for certain. But it is reasonably proven that changes in the walls of blood vessels in the head have a role to play in the advancement of the cluster headache!
The brain by itself is a non-committal entity. It feels no pain. The pain of headache comes from the tissues surrounding the brain, the attaching structure at the base of the brain. The muscles, the scalp vessels, the vessel of the face and neck, may cause cluster headache. Or it may be specifically to blood vessels dilation or to inflammation of nerves behind the eyes.
The pattern of cluster headaches is very interesting. There are active periods and passive periods. Headache occurs in clusters. It...