Dried herbs and plant portions for<unk>  at a Xi'an market<unk>  () is the theory of traditional<unk>  herbal therapy, which accounts for the majority of treatments in traditional<unk>  medicine (TCM). A Nature editorial described TCM as "fraught with pseudoscience", and said that the most obvious reason why it has not delivered many cures is that the majority of its treatments have no logical mechanism of action. The term<unk>  is misleading in the sense that, while plant elements are by far the most commonly used substances, animal, human, and mineral products are also utilized, among which some are poisonous. In the Huangdi Neijing they are referred to as () which means toxin, poison, or medicine. Paul U. Unschuld points out that this is similar etymology to the Greek pharmakon and so he uses the term "pharmaceutic". Thus, the term "medicinal" (instead of herb) is usually preferred as a translation for (). Research into the effectiveness of traditional<unk>  herbal therapy is of poor quality and often tainted by bias, with little or no rigorous evidence of efficacy. There are concerns over a number of potentially toxic<unk>  herbs.
Chinese herbology
Venoms in medicine
Graphic medicine
Travel medicine
Cold medicine
Allopathic medicine
Mass gathering medicine
Sports medicine