I WANTED TO POST THIS TO SHOW PEOPLE DOCTORS SAY SECOND HAND SMOKE - TopicsExpress

I WANTED TO POST THIS TO SHOW PEOPLE DOCTORS SAY SECOND HAND SMOKE CAUSES CANCER BUT THEY DONT TELL DONT DRIVE THIS IS WHAT COULD HAPPEN +-Text Size Diesel Exhaust What is diesel exhaust? Diesel is a type of fuel derived from crude oil. Large engines, including those used in many trucks, buses, trains, construction and farm equipment, generators, ships, and in some cars, run on diesel fuel. The exhaust from diesel engines is made up of 2 main parts: gases and soot. Each of these, in turn, is made up of many different substances. The gas portion of diesel exhaust is mostly carbon dioxide, carbon monoxide, nitric oxide, nitrogen dioxide, sulfur oxides, and hydrocarbons, including polycyclic aromatic hydrocarbons (PAHs). The soot (particulate) portion of diesel exhaust is made up of particles such as carbon, organic materials (including PAHs), and traces of metallic compounds. Both the gases and the soot of diesel exhaust contain PAHs. Exposure to diesel exhaust is widespread in the modern world. Exhaust from diesel engines brings a complex mixture of soot and gases to roadways, cities, farms, and other places. Health concerns about diesel exhaust relate not only to cancer, but also to other health problems such as lung and heart diseases. How are people exposed to diesel exhaust? People are exposed to diesel exhaust mainly by breathing in the soot and gases, which then enter the lungs. The amount of diesel exhaust people are exposed to varies greatly. Measuring these exposures is not easy because diesel exhaust is chemically complex and many parts of it are also found in a lot of other sources. This has been, and remains, a major challenge when trying to study the health effects of diesel exhaust. People may be exposed to diesel exhaust at work, around the home, or while traveling.

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