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 Facts. Eucalyptus tree is known as one of the tallest plants on the planet. There are over 700 species of eucalyptus that belong to the family Myrtaceae. Most eucalyptus species are evergreen plants.Besides in the form of trees, some species of eucalyptus develop as shrubs.Most species of eucalyptus are native to Australia, New Guinea and Indonesia. Eucalyptus is very important and highly exploited plant because of its wood and oil.ucalyptus Facts. Eucalyptus tree is known as one of the tallest plants on the planet. There are over 700 species of eucalyptus that belong to the family Myrtaceae. Most eucalyptus species are evergreen plants.