Heavy metals such as lead, mercury, arsenic and cadmium can affect health when exposure becomes significant. Learn where heavy-metal exposure comes from, possible symptoms, how testing works and when a functional medicine evaluation may be appropriate.

Before reaching for a detox supplement, start with the basics. Learn how your liver, kidneys, digestive tract, lymphatic and glymphatic systems work together—and how to support your body's natural detoxification and elimination pathways.