The air we breathe, the water we drink, the skin products we use, the medications we take and the foods we eat are loaded with toxic chemicals that cause all kinds of dysfunctions. Junger's seven-day program is based around the core principles of functional medicine, ayurvedic medicine, and Intermittent fasting. Each one of these practices alone can have positive and lasting effects, but when used together they propel the body to health, weight-loss, symptom-reversal, and restoration.