Essesntial oils were humankind's first medicine, mentioned in the Bible and in ancient Egyptian hieroglyphics. These oils are powerful healing agents that detoxify the blood and have been effective in the treatment of diseases such as Alzheimer's, Parkinson's and multiple sclerosis. Use this handy A-Z book to find the essential oil combinations that are most beneficial for a variety of illnesses and physical problems. Charmingly illustrated by Donna Ingemanson.