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.
Invasive. Eucalyptus trees have a massive, long-reaching root system that can be a danger to the health of other plants. Because much of the root system is in the upper layers of soil, it can absorb water and nutrients rapidly.Eucalyptus trees are heavy feeders and need an extraordinary amount of water.ucalyptus trees have a massive, long-reaching root system that can be a danger to the health of other plants. Because much of the root system is in the upper layers of soil, it can absorb water and nutrients rapidly.