The future of life-saving treatments may be just a chip off the ‘ole blood sample. Scientists at Columbia University have created a set of real — and really tiny — human organs that interact on a chip ...

An organ is a group of tissues that work together to perform a specific task in the body, such as digesting nutrients or producing chemical messengers that enable brain cells to communicate. Although ...

L-arginine is an amino acid, which makes it a building block of protein. “It is a conditionally essential amino acid, meaning that our bodies produce it naturally, but do not necessarily produce as ...