Agni is the most important principle in Ayurvedic medicine, the 5,000-year-old healing system of India. Agni means fire; the English words ignition and ignite have their etymologic roots in the Sanskrit word agni. The concept of agni is that each of us contains a digestive fire, which “cooks” the experiences of our lives. Through the metabolism of day-to-day experiences, we create the substance of our minds and bodies.

Agni is responsible for digesting the food we eat, the sensory impulses we take in, and the emotional information we encounter. If our inner fire is healthy and robust, we are able to digest every experience into its elements, absorb the components that are nourishing, and eliminate those that are not. Like a fire in your fireplace, a healthy fire—a healthy agni—generates heat and light. An unhealthy fire does not create much warmth or illumination, but releases excessive amounts of smoke. The warmth of your inner fire expresses itself as love and compassion. The light of your inner agni is the wisdom that shines its guiding light so you spend less time tripping over obstacles as you travel your life’s path. When a healthy fire is finished burning, the only thing left is a fine ash; when a weak fire is extinguished, charred pieces of incompletely combusted wood remain.

In an analogous way, Ayurveda encourages us to tend our inner fire so we are able to digest the events of our lives, extracting the nourishment we need and letting go of the part of any experience that does not nourish us. Whether we apply this principle to the digestion of food or to relationships, the benefits of a healthy digestive fire are vitality, creativity, and enthusiasm.

For agni to burn brightly, we must balance the forces of change and stability. Change can be symbolized as oxygen, whereas stability is the fuel. A fire will not thrive without the ideal mixture of the two. If you have too much change and too much turbulence in your life, you will not be able to metabolize what is on your plate. Physically, this will result in anxiety, insomnia, and delicate digestion with bloating and irregular elimination. Your digestive fire can also be rendered inefficient if you have too much stuff in your life—too big of a mortgage; a job that’s not nourishing but is necessary because you have too many financial commitments; or too many complicated, demanding relationships. The consequences of ingesting more than you can digest may be fatigue, depression, and weight gain.

Take care of your inner fire. Look at your choices and see if there is an opportunity to simplify. Take time to balance your activity with rest by meditating and getting replenishing sleep each night. Tune into your body’s intelligence for guidance on what to eat, when to eat, and how much to eat. Consciously survey your life and ask yourself, “What am I carrying with me from the past that is no longer serving me in the present, and what would I like to bring into my life that I have previously neglected?” Making choices to awaken your digestive fire will serve you and those around you in all aspects of your life.