(COAL TAR DYES)
Do you eat crude oil? If you eat foods which contain synthetic dyes ("food color") then the answer is yes. These artificial colorings - which are found in familiar supermarket foods, medications, and some non-foods such as toothpaste and mouthwash - are synthesized from petroleum. They were originally made from coal tar oil, and are still referred to in the industry as "coal tar dyes." (Source: U.S. Food & Drug Administration)
What's wrong with a little petrol in my diet?
Scientists have found that these chemicals can trigger a wide number of behavior, learning and health problems. FD&C color or D&C color, may cause potentially severe allergic reactions, asthma attacks, headaches, nausea, fatigue, nervousness, lack of concentration, and cancer.