Swallowing malfunctions in many conditions, including those that affect control of the muscles, like Parkinson’s disease and ...

When you're running up stairs or out on a jog, your muscles eventually start to feel heavy and weak. That's fatigue setting in, a sign that the muscles' energy reserves are becoming depleted. But a ...

The human skeleton has 206 bones and is divided into the axial skeleton and the appendicular skeleton. Your axial skeleton includes 80 bones, like those in the skull and spine, that run down the ...