Doctors do not know exactly what causes cluster headaches. They seem to be related to the body's sudden release of histamine (chemical in the body released during an allergic response) or serotonin (chemical made by nerve cells).
Eucalyptus is a tree. The dried leaves and oil are used to make medicine. Though eucalyptus is used medicinally for many purposes, there isnât enough scientific evidence so far to rate it as effective for any of them.Eucalyptus leaf is used for infections, fever, upset stomach, and to help loosen coughs.ucalyptus is a tree. The dried leaves and oil are used to make medicine. Though eucalyptus is used medicinally for many purposes, there isnât enough scientific evidence so far to rate it as effective for any of them.
The Blue Gum tree, as it is sometimes known as, is called such due to a sticky gum-like substance that the tree secretes. This gum is very fragrant and contains anti-bacterial properties which make the tree extremely pest-resistant, as well as acting as a deterrent to the growth of other non-eucalyptus plants.he Tasmanian Blue Gum is rich in nectar and so are a good crop for bees and hummingbirds. They inhibit the growth of other vegetation and so create virtual monocultures of various eucalyptus trees, with the exception of a few hardy grasses.