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 tall evergreen tree native to Tasmania. It is the most important genus of trees found in the Australian forests comprising approximately 75% of all of the trees.Today, most commercially grown trees grow in the Mediterranean and subtropical regions, including Spain and Morocco.ucalyptus is a tall evergreen tree native to Tasmania. It is the most important genus of trees found in the Australian forests comprisingâ¦.