A new discovery about the structure of melanin has brought scientists one step closer to developing a new, potentially ultra-protective sunscreen derived from a biological substance found in nearly ...

Tryptophan is an essential amino acid used to make proteins. Your body does not make it, so you need to get it from your diet. Foods that contain tryptophan include animal products like chicken and ...

The three main forms of melanin in our body are pheomelanin, eumelanin, and neuromelanin. This pigment is synthesized in the human body by melanocyte cells and consists of numerous polymeric compounds ...