Throughout its history, yoga seems to have undergone changes regarding the purpose for which it was practiced. Benjamin Lust, a German immigrant, first introduced naturopathy to the United States in when he founded the American School of Naturopathy. Today, naturopaths are licensed care providers in many states. Having an underlying shared philosophical approach combined with different styles, opinions, ideas and discoveries fuel evolution, progress and change. Our understanding of health and medicine is broadening, and both practitioners and patients are embracing a holistic, integrated approach. The Principals Of Naturopathic Medicine: It is a person's vital force within that allows an individual to overcome disease. Once all of the information is gathered, a treatment plan is formulated that addresses all areas of the person's life, providing the body with the optimum chance to heal itself. Beginning in the s, there was a revival of interest in the United States and Canada in conjunction with the holistic health movement. Yoga is mainly looked upon as a set of techniques useful for achieving fitness in daily life and prevention and cure of some specific diseases or disorders. Naturopathic medicine combines the science of modern chemistry with the wisdom of older healing traditions. Identify and Treat the Cause, Tolle Causam -The Naturopathic physician seeks to identify and remove the underlying causes of illness rather than to merely eliminate or suppress symptoms the patient is experiencing. Despite the fact that it has not gained universal acceptance within the United States healthcare system, Naturopathic Doctors have taken a 'leap of faith', knowing that integrative medicine is the best medicine and will eventually gain not only parity, but prominence. The consulting Naturopath may then use Iridology looking into the iris , or tongue and nail diagnosis to get a better picture of the complete health state of the client. Naturopathic medicine also works well in combination with conventional medicine as a support to the body's natural healing properties.