Skin is the body's biggest organ. When people think of organs, most often the heart, lungs and brain come to mind but typically not the skin. Like these and other organs inside the body, skin is made up of different types of tissues and these tissues are made up of cells.

Much like the roof on a house, the skin plays an important role in protecting our bodies. It keeps bodily fluids inside while at the same time carefully controlling the release of waste product. It also helps keep our internal body parts safe from the potentially harmful effects of the environment including the sun, light and bacteria and also from injury.

Several different layers make up the skin, but perhaps because the underlying layers are not visible, they're not thought of very often. We spend much of our lives worrying about acne and wrinkles but don't realize that these types of skin issues have a lot to do with the workings of the layers below. Read More→