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Urbanization and smog are related. Smog has quite a few negative effects on human health; it can cause disease and death. Smog is made by urbanization and smog results in less urbanization. Urbanization causes smog, they come together, and smog causes the urbanization to go down. Smog is very bad for human health. It can be the cause of chronic bronchitis and asthma. If a persons lungs are continually irritated by pollutants chronic bronchitis will develop because the constant coughing will weaken the bronchial tubes. As well a lot of exposure to smog can result in emphysema and lung cancer. The automobile exhaust and particles in smog causes lung cancer. Emphysema