And poor digestion contributes to many major illnesses such as;

And many more

In vital health (usually when you are young) you can eat just about anything and thrive. Time passes and something happens; eating cooked foods, chemical exposure, injury, stress or aging. Your digestive resources are depleted and you develop "symptoms" (listed above). When your system is working properly the stomach issues acids that reduce the size of the particles to about the size of corn meal before exiting into the small intestine. Once these small pieces are delivered to the small intestine your pancreas issues pancreatic enzymes to break down the food further allowing your body to make use of the energy, nutrients and building blocks stored in the food.