Detoxification is the process of eliminating or neutralizing toxins from the body. By eliminating harmful toxins, it seeks to enable the body to heal itself and return to health.

One of the oldest known medical treatments, detoxification historically was achieved by fasting--deliberately abstaining from food for a time. In modern times, with concern over environmental contaminants, detoxification is advocated by some as a necessary means of staying healthy. Naturopaths, who hold that illness can be healed by the natural processes of the body, are the most vigorous supporters of detoxification, since they believe the primary cause of disease is accumulation of uneliminated wastes.

A toxin is anything that causes an irritation in the body or has a harmful effect on it. In addition to the effect of pesticides, industrial chemicals, food additives, and heavy metals, many people add to their toxic intake by ingesting legal and...