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Alcohol consumption was classified as none, 1-14 units per week and 15 or more units per week

A lack of humidity will leave the airways dry, irritating the nasal lining and causing dryness and crusting that might lead to nose burning upon breathing

If necessary, spend more time in smoke-free environments outside the home

"He used to work as a carpenter in a workshop in Sfax but he had a bad accident and lost several fingers so he had to become a street peddler to make ends meet," Khardani's cousin Mohammad told Mohammad said: "Seifeddine was a kind shy guy, he has been providing for his elderly mother and his three sisters by selling cigarettes after his father died