Helpful information on the diagnosis, possible causes and treatments for depression. Nutritional, homeopathic, environmental and lifestyle considerations are examined, and herbal treatment options are discussed. Chinese medicine is also mentioned. There is extensive clinical research on the efficacy of St. Johns wort in the treatment of depression. Herbs discussed include: St. John's wort, lemon balm, vervain, rosemary, gotu kola, wild oats, ginkgo, valerian, chamomile, black cohosh, and bee pollen.