There are many people offering services of all different types. It can be confusing. Following is a glossary of common terms to help you better understand what's available and what's best for you. Aromatherapy : inhalation or bodily application (as by massage) of fragrant essential oils (as from flowers and fruits) for therapeutic purposes. The use of aromatic plant extracts and essential oils for healing and cosmetic purposes. There is a lack of  good medical evidence that aromatherapy can prevent or cure any disease, but it has been demonstrated to improve mood. For cancer patients, aromatherapy has been found to lower anxiety and depression symptoms. [21]   Anxiety is a normal reaction to stress and can be beneficial in some situations. It can alert people to dangers and help them prepare and pay attention. Anxiety Disorders differ from normal feelings of nervousness or anxiousness and involve excessive fear or anxiety. Anxiety disorders are the most common ...