Digestion begins in the mouth Digestion begins at the top. The taste receptors on the tongue signal the brain that food is arriving in the digestive system. The hypothalamus gland then responds and initiates the hormonal signal to begin production of all required enzymes and acids for the digestion of the food.
Proper chewing mixes the food with the saliva, signaling the brain to begin the digestive process.
Because most people do not chew their food enough to fully process the starch and carbohydrates, digestive problems begin in the mouth . After that time the medical establishment discontinued its common use. We are now beginning to understand the impact HCL can have on a person's health. Numerous studies have shown that HCL secretion declines with advancing age . Once the stomach senses food, it secretes the hormone gastrin into the blood.