How much do you really know about your skin? It may surprise you! Skin is our interface with the outside world - it's the place where we're in constant physical contact with the environment that surrounds us. But we tend to take the health of the skin for granted. Skin problems are often regarded as cosmetic - 'surface level problems' - and we often think creams, lotions and topical medications are the best way of dealing with them. However, the skin can be, and usually is, a reflection of...