The mouth starts the digestion process by breaking food down into a more easily digestible form. It does this through a combination of mechanical and chemical digestion. After people take food in ...

Stomach acid, primarily hydrochloric acid, plays a vital role in digestion by breaking down food and enabling nutrient absorption. It acts as a crucial defense against harmful microorganisms, ...

Exercise and digestion can have profound impacts on the body. Ricardo Da Costa experienced that first hand. His first job out of high school in the 1990s in Portugal was as a professional ...