Useful information on both hypo- and hyper- thyroid conditions. Discusses the function of the thyroid and its relation to metabolism and hormone levels. The use of conventional versus natural therapies is discussed. Includes information on Graves' Disease. Herbs mentioned include: bladderwrack, rehmannia, ginseng, nettle, guggul, bugleweed, lemon balm, self-heal, kelp, verbena and more.