Federal organizations that focus on the health and well-being of the American people, such as the FDA (Food and Drug Administration) the federal agency that oversees trade in and the safety of food and drugs in the United States, CDC (Centers for Disease Control and Prevention), USDA (United States Department of Agriculture), etc.

An institution where people receive medical, surgical, or psychiatric treatment and nursing care.

Something unintentionally done wrong, e.g. as a result of poor judgment or lack of care, the state of holding incorrect beliefs or opinions, or the fact of acting wrongly or misguidedly in the medical field.

Professional misconduct: illegal, unethical, negligent, or immoral behavior by somebody in a professional or official position, resulting in a failure to fulfill the duties or responsibilities associated with that position.

Medical treatment that involves operations on or manipulations of the patient's body and, usually, cutting the body open to perform these or the range of diseases treated in this way.