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Third Hand Smoke Effects

January 1st, 2009 · No Comments

In the January issue of Pediatrics, researchers at MassGeneral Hospital for Children (MGHfC) describe how tobacco smoke contamination lingers even after a cigarette is extinguished – something defined as “third-hand” smoke.

“When you smoke – anyplace – toxic particulate matter from tobacco smoke gets into your hair and clothing,” says lead study author, Jonathan Winickoff, MD, MPH, assistant director of the MGHfC Center for Child and Adolescent Health Policy. “When you come into contact with your baby, even if you’re not smoking at the time, she comes in contact with those toxins. And if you breastfeed, the toxins will transfer to your baby in your breastmilk.”

Particulate matter from tobacco smoke has been proven toxic. According to the National Toxicology Program, these 250 poisonous gases, chemicals, and metals include hydrogen cyanide, carbon monoxide, butane, ammonia, toluene (found in paint thinners), arsenic, lead, chromium (used to make steel), cadmium (used to make batteries), and polonium-210 (highly radioactive carcinogen). Eleven of the compounds are classified as Group 1 carcinogens, the most dangerous.

Small children are especially susceptible to third-hand smoke exposure because they can inhale near, crawl and play on, or touch and mouth contaminated surfaces. Third-hand smoke can remain indoors even long after the smoking has stopped. Similar to low-level lead exposure, low levels of tobacco particulates have been associated with cognitive deficits among children, and the higher the exposure level, the lower the reading score. These findings underscore the possibility that even extremely low levels of these compounds may be neurotoxic and, according to the researchers, justify restricting all smoking in indoor areas inhabited by children.

For more info: sciencedaily.com/releases/2008/12/081229105037.htm

This information should give you another reason to stop smoking!

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Tags: Smoking - Nicotine Addiction

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