Podiatrist Podiatrist A podiatrist, also known as a podiatric physician (/poʊˈdaɪətrɪst/ poh-dye-eh-trist) or "foot and ankle surgeon", is a medical professional devoted to the study and medical treatment of disorders of the foot, ankle and lower extremity. The term originated in North America, but has now become the accepted term in the English-speaking world for all practitioners of podiatric medicine. In the United States, Doctors of Podiatric Medicine (DPM) are doctors who practice on the lower extremities, primarily on feet and ankles. The preparatory education of most podiatrists includes four years of undergraduate work, followed by four years in an accredited
Composition of the human body mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Only about 0.85% is composed of another five elements: potassium, sulfur, sodium, chlorine, and magnesium. All 11 are necessary for life. The remaining elements are trace elements, of which more than a dozen are thought on the basis of good evidence to be necessary for life. All of the mass of the trace elements put together (less than 10 grams for a human body) do not add up to the body mass of magnesium, the least common of the 11 non-trace elements.