Human evolution is often told as a tidy story of adaptation, yet some of our most familiar body parts still defy ...

The body is, for all intents and purposes, an extraordinarily complex machine. This requires a multitude of parts all working together in complicated relationships from the micro- to macromolecular ...

Some human body parts have become useless over the past few million years. These include wisdom teeth, the tail bone, and the muscle fibers that produce goose bumps. Take a look at nine body parts ...

Researchers have found that even the oldest adults can benefit from a game-like intervention that targets cognitive and physical function by combining body movement with tasks that stimulate frontal, ...

The human body is a wonderous thing, especially when you consider how intricate and efficient each bodily system is. For instance, an adult’s blood vessels could encircle the earth 2.5 times if ...

Bill Bryson's book "The Body: A Guide For Occupants" is a tour of the fascinating and bizarre ways the human body functions, beginning with the brain and ending with the toes. From the 25 feet of hair ...

Hormones coordinate different body functions by carrying messages through the bloodstream to target cells and tissues. Hormonal imbalances occur through inadequate or excess hormone synthesis, which ...

Your eyes, heart, masseter, and tongue may all be considered the largest in your body. Each muscle gives us insight into how our body functions and helps figure out how to stay healthy. The largest ...