Scientists discovered a key molecular switch to keep neurons healthy by controlling the disassembly and assembly of their energy-generating powerhouses, the mitochondria. The study illustrates how a ...

NIH/Eunice Kennedy Shriver National Institute of Child Health and Human Development Researchers at the National Institutes of Health have discovered that a rare tumor of the adrenal glands appears to ...

Far from having adverse effects limited to the mouth, smokeless tobacco affects the normal function of a key family of enzymes found in almost every organ in the body, according to the first report on ...

Enzymes, which are crucial to controlling how cells replicate in the human body, could be the very ingredient that encourages DNA to spontaneously mutate -- causing potentially permanent genetic ...