Hailed everywhere as nature's Prozac, St. John's wort offers an effective, natural and safe way to treat depression, the number one public health problem in the United States. For generations, St. John's wort has been used as a natural mood elevator and healing agent. Today the herb reemerges as not only an effective antidepressant but as an impressive therapeutic agent as well. Author C.M. Hawken carefully examines how the impressive effects of the herb on depression have been turning the heads of leading scientists.