Epithelial cells form a layer in which an apical surface is exposed to the external environment and to other forms of stress in ducts in specialized organs. As such, epithelial cells require robust ...

Serotonin is a neurotransmitter and hormone that helps regulate mood, sleep, digestion, blood clotting, and sex drive. Your body makes it from tryptophan, an amino acid found in meat, dairy, eggs, and ...

In Philadelphia, voters have their eyes on the heated 3rd Congressional District democratic primary, plus new immigration bills signed by Mayor Cherelle Parker. On this hour of Studio 2, we get ...