Learn about the many medical uses of the most popular herbs found in your local pharmacy or health food store. Provided here is a botanical description and analysis of the medicinal qualities of each herb, along with a complete discussion of its preventative and therapeutic value for health conditions ranging from allergies and arthritis to menopause. The easy-to-understand format combines the most current research information with reliable dosage amounts, and a quick-reference guide matches health conditions to herbal treatment options. Special attention is paid to safety, including potential adverse effects and drug interactions.