People who are missing parts of their intestines or have limited intestinal mobility may require total parenteral nutrition (TPN), a type of nutrition that bypasses the digestive system ... an enzyme ...

Should we all be concerned about our cortisol levels? I took a blood stress test and spoke with experts to find out.

CT is less expensive and easier to use than MRI, and purification of gases and embolized air (air caught in the blood vessels of the circulatory system) limit the use of MRI. Organs can become larger ...