Learn how and where osmosis takes place in the digestive system and excretory system and the role of osmosis in kidney dialysis.

Heavy metal is a term for some toxic chemical elements. They can cause problems like bioaccumulation, but are useful in nuclear medicine and medical imaging.

Microbes are everywhere, even in your digestive tract. Some of these microbes are helpful, and some aren’t.

Celiac disease is an autoimmune disorder. Gluten triggers an immune system response, seriously affecting nutrition.