Naturopathic doctors use a variety of tools and treatment methods to address all types of conditions. Naturopathic doctors commonly treat using therapies such as acupuncture and traditional Chinese medicine, nutritional/lifestyle counseling, botanical medicine, physical medicine, injection/intravenous therapy, and homeopathy. Some naturopathic doctors have additional training in skills or tools such as live blood cell analysis, Bioelectric Impedance Analysis (BIA) technology, therapeutic ultrasound or laser, and many others. Naturopathic doctors may also choose to have a focus on a particular condition or body system, such as skin or the endocrine system. Below is a detailed description of all the therapies used.