Forget complicated calorie counting; the world’s longest-living people swear by a simple internal hunger gauge that resets ...

Immune cells are most commonly engineered to kill cancers, but now, scientists have shown the technique makes the gut lining of older mice resemble that of younger mice, raising hopes that the same ap ...

Cells have a remarkable housekeeping system: proteins that are no longer needed, defective, or potentially harmful are labeled with a molecular "tag" and dismantled in the cellular recycling machinery ...