How can herbal medicine treat anxiety?

A common herbal medication known as Kava Kava can be used to treat mild to moderate anxiety.  Kava Kava aids in relief of anxiety by having a rapid, calm effect on the nervous system.  It is important to avoid use of alcohol or any medication metabolized by the liver when taking Kava Kava.  In addition, it is recommended that you speak with your health care provider before consuming any herbal medications.