Body maps reveal the bacteria and chemicals lurking on skin

Vital Signs is a monthly program bringing viewers health stories from around the world.

(CNN)You are what you eat, drink, wear and wash in.

The bacteria and chemicals found on human skin have been sampled and mapped across the human body. The result is a series of 3-D images revealing the thousands of microbes and molecules people carry with them -- or on them -- each day.
The maps show the unique composition of skin -- the body's largest organ -- on the bodies of two test subjects, and can reveal the food they eat, medicine they consume and body products they use.
    This interplay between the microbes found on skin with the surrounding environment can provide insight into someone's food