Here is the fourth edition of Tyler's Honest Herbal: A Sensible Guide to the Use of Herbs and Related Remedies, providing essential botanical information as well as folkloric background of herbal remedies in a clear, accessible style. Unlike other herb books, this book gives you a serious evaluation of both the positive and negative features of the use of the most important herbs for therapeutic purposes. This new edition features additional scientific data on herbs that will enable you to make wise, informed choices about the benefits and risks of herbs currently on the market. Viewing herbs from a scientific standpoint, the authors assess herbs based on available scientific information and include the latest details on advocacy literature and the new regulatory environment. Each write-up includes descriptive information on the source of the plant, its traditional uses, and an evaluation of the relevant and current literature which helps support or disprove intended use of the plant.