Pigmentation—the appearance of spots on the skin — is usually perceived by people as an annoying cosmetic problem. Indeed, it is sometimes a completely harmless phenomenon. But it can turn out to be linked to serious health problems. Don't want to look like a Dalmatian? Read carefully!
Our skin is the largest organ, and changes in any system of the body are reflected in its condition, including its color. What shades of skin should be alarming?