Your autonomic nervous system (ANS) is the part of your central nervous system (CNS) that controls unconscious activities like breathing and digestion. This system is always working, whether or not ...

Your sympathetic nervous system is one of the branches of your autonomic nervous system. It controls functions under unconscious control related to “fight or flight.” Your nervous system plays a ...

Your digestive system works quietly behind the scenes, but when something goes wrong with your colon, early detection can be ...

Your nervous system is a network that sends signals between your brain and other parts of your body to control your body's movements and processes. This system includes your brain, spinal cord, and ...

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 ...

Chemical digestion occurs when the body uses enzymes to break down certain molecules, such as carbohydrates. This process allows the bloodstream to absorb smaller molecules to transport around the ...

The organ transplant system in the United States is getting a major overhaul, health officials announced Monday. The Department of Health and Human Services promised to reform the nation's organ ...

Inequities in access to transplant are in part due to the nature and organization of the selection process. The limited organ supply and rising incidence of end-stage organ disease have resulted in a ...