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.
Eucalyptus is a tree most often associated with its native Australia environment and fun-loving koalas feasting on its branches. There are many species of eucalyptus trees, including popular varieties like Gum tree and Silver-Dollar tree, that can be grown in the home landscape.ips on Growing Eucalyptus Trees. All eucalyptus trees require full sun; however, some species, like E. neglecta and E. crenulata, will tolerate areas with semi-shade. They also adapt well to a wide range of soils, from hot, dry sites to slightly wet as long as the area is well draining.