Tobacco Products in Urine - A Marker of Passive Smoking

Posted Star Web Media Friday, May 28, 2010

Firdaus Khan

New Delhi. In house holds where either of the parents smoke, infants have 5.5 times higher levels of nicotine by product, called cotinine, in their urine than infants of non-smokers, said Dr KK Aggarwal, President Heart Care Foundation of India.

Dr. Aggarwal said that cotinine is created as the body tries to get rid of the nicotine in inhaled smoke. Quoting a British study published in the Archives of Diseases in Childhood, Dr. Aggarwal said that sleeping with smoker parents is a known risk factor for sudden infant death syndrome. One of the reasons for the same could be the infant proximity to parents clothing or other objects contaminated with smoke particles.

The study included of 104 twelve-week old infants. Seventy-one of them had one of the parents who smoked and 33 had no smoker parents. The study showed that if the mother smoked, the chances of infant’s urine containing nicotine products was four times higher. If the father smoked, the chances of having nicotine products in the urine of the infant was two times than of a non smoking parent.

The study also showed that sleeping with smoker parents or sleeping in lower temperature rooms was associated with increased nicotine products in the urine of the infants.Higher levels of nicotine by products in the urine were also observed during colder times of the year indicating more closed door smoking during this period of the year.

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