The subclade K flu strain is a variant of the H3N2 virus. A new influenza strain this flu season is raising concerns as Americans hit the roads and take to the skies ahead of the Thanksgiving holiday, ...

A pulled muscle is an injury to your muscle fibers. Muscle fibers are the large cells that make up your muscles. Your muscles allow you to move when they contract and relax. Many people use the terms ...

When a sprain occurs, you have overstretched, twisted, or damaged a ligament, usually from a sudden event (i.e. twisting your ankle while running). Ligaments are bands of tissues that connect the ...