There’s an undeniable link between your gastrointestinal system and how well the rest of your body functions. In fact, a digestive disorder can cause ... or rashes along the corners of the mouth. Some ...

Adderall is a central nervous system (CNS) stimulant. This class of drugs helps boost mood, alertness, attention, and energy by raising the levels of certain chemicals in the brain. How each CNS ...

These microbes exist symbiotically with the digestive system and, research shows, support energy harvesting, digestion, and immune defense. Eamonn Quigley, MD, the chief of gastroenterology and ...