Human colorectal cancer is caused by mutations and is thought to be maintained by a population of cancer stem cells. Further phenotypic changes occurring at the invasive edge suggest that colon cancer ...

Collagen supplements are often marketed for youthful-looking skin and pain-free joints. Collagen a type of protein that serves as a key component of the body's connective tissues, such as the skin, ...

Joshua Cox-Steib is a sociologist and freelance writer. He lives in Tulsa, Oklahoma, with his wife and their menagerie of pets. Joshua holds a degree in sociology from the University of Tulsa and ...