In intensive care, most of my patients lie flat beneath wires and plastic, life compressed into horizontal lines on a monitor. But London reminds me that humans are also a vertical species—stacked in ...

Scientists have uncovered a surprising genetic shift that may explain how animals with backbones—from fish and frogs to ...

As people age, muscles naturally lose mass and strength, a condition known as sarcopenia. The decline can make everyday activities harder and increases the risk of falls, disability and early death.