Dietary exposure to polyaromatic hydrocarbons of the Hong Kong population.

Polyaromatic hydrocarbons (PAHs) are ubiquitous in the environment and food. The Joint FAO/WHO Expert Committee on Food Additives concluded 13 individual PAHs are carcinogenic and genotoxic and . Food is recognized as the main source of exposure to PAHs for adult non-smokers, which contributed to more than 90% of total exposure.