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13 Sneaky Causes of Sinus Trouble
Like air pollutants, cigarette and cigar smoke can also irritate your nose and cause inflammation, thereby making you more susceptible to sinus infections.
"People who smoke may be at higher risk [of sinus infections], because their natural sinus-cleaning system is damaged by cigarette smoke," says Dr. Hueston. "So they accumulate more ‘junk’ in the sinuses, which can clog passages when they have a cold."
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