Heart risk linked to car fumes

By Lucy Quinton Consumers living in heavily congested areas are more likely to suffer heart damage, researchers have discovered. A new French study revealed that tiny particles in car exhaust fumes may be damaging because chemicals released from burning fuel could lead to heart disease and blocked arteries. John Incardona, researcher at the National Oceanic and Atmospheric Administration, said chemicals dubbed polycyclic aromatic hydrocarbons (PAHs) that are found in oil are toxic to animals' hearts. He added that the latest data suggested PAHs levels present in burning oil were hi...