
To add insult to injury, it now appears that smog -- in addition to causing lung infections, asthma, heart attacks and cancers -- can diminish your sense of smell. A recent study showed people in Mexico City had trouble smelling everyday odors like coffee and orange juice compared to residents of a nearby town, according to Reuters/Planet Ark.
According to a researcher who ran the study, the subjects' noses were so badly damaged from a life inhaling toxic particles that they also struggled to notice the scent of rotten food.
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