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All the latest   news -------------------------------------------------- Conference News     Search News   Online Conference News   Passive smoking dents children's IQ * * *       12:13 07 May 02   British   Psychological Top Stories NewScientist.com news service Society       "Doubly Secondhand smoke shaves points off kids' IQ, a * infected" study of over 4000 American children suggests. computer virus Even those exposed to small amounts of packs nasty cigarette smoke have slightly lower cognitive   surprise abilities. More on this story   Mouse's genetic "These levels may not be meaningful for an Related Stories code made individual child, but they have huge   public implications for our society because millions Normal, but light, of children are exposed to environmental babies develop lower IQs Passive smoking tobacco smoke," says Kimberly Yolton of the 10 August 2001 dents Cincinnati Children's Hospital Medical Center   children's IQ in Ohio. Passive smoking may deplete levels of Insect swarming Yolton's team looked at levels of a breakdown important antioxidants inspires jazz product of nicotine called cotinine in the 20 December 2000 software blood of 4399 children aged between six and   16. They also examined their scores on a Smoking parents produce Slumbering number of intelligence tests, using data from fewer boys squirrels a countrywide survey known as NHANES-III done 19 April 2002 "system check" between 1988 and 1994. To rule out any   revealed children who might be smoking themselves, only   those with cotinine levels lower than 15 For more related stories Rain is nanograms per millilitre were included. search the print edition "earthquake in Archive the sky" Even after allowing for factors such as   poverty, parents' educational levels and blood * Competition to lead levels, the researchers found an   "reverse association between cotinine levels and lower Weblinks engineer" cognitive performance, Yolton told a meeting   mystery program of the Pediatric Academic Societies in Cincinnati Children's Baltimore on Monday. Hospital Medical Center Bat bites   blamed for US As little as one nanogram of cotinine per NHANES, CDC rabies deaths millilitre of blood appeared to reduce IQ   scores by an average of two points. One parent Secondhand smoke, Mutant viruses smoking less than a pack a day could produce MEDLINEplus order quantum that level in a child.   dots Pediatric Academic Societies meeting Ozone hole Smoking in pregnancy   causes mixed * Antarctic Reading scores declined by about one point for message every nanogram of cotinine, for instance, and maths scores by about three-quarters of a * Gene linked to point. There was a nine-point difference in Elsewhere today stress-related reading scores between the 25 per cent of kids * drinking with the highest levels and the 25 per cent All the best science with the lowest. stories from the web Galaxies' date * with destiny Though passive smoking has already been linked Against depression, a revealed to language and reasoning deficits in sugar pill Is hard to children, this study is the first to show that beat Mars mission extremely low exposure can have such an Washington Post dangers set out effect. * Experts overflowing with Liquid crystal But Jo Nanson of the University of ideas for ideal toilet displays Saskatchewan in Saskatoon says the results CNN "painted on" should be interpreted cautiously because of * possible confounding factors. She says mothers Anthrax sent through Cellphone who smoke during pregnancy are known to reduce mail gained potency by radiation their child's IQ, for instance, and if the the letter "trapped" in parents are smoking now, they were probably New York Times (Free train carriages smoking then. "It needs some careful registration required) statistical analysis," Nanson warns. * "Robo-rat" Drinking tea may boost controlled by But Yolton says that when they allowed for survival rate for heart brain this in the subset of kids for whom data on attack patients electrodes prenatal exposure was available, it made no The Independent, UK difference. * Artificial   The art of rat-powered voice system Alison Motluk pigs wings says hello Wired This story is from NewScientist.com's news * Music player service - for more exclusive news and expert Space tourist lands bug could let analysis every week subscribe to New Scientist safely on earth in MP3 viruses print edition. Reuters   * Hubble's new vision "stuns" * NewScientist Archive: astronomers Print this Send to a Free to Subscribers article friend WHO backs gene * research for world's poor   *   For what’s in New Scientist magazine this Blood filtering week see Print Edition allows   unmatched *   Search the Archive for more stories like kidney this, originally published in the Print transplants Edition   *   Subscribe to New Scientist Print Edition   *   Correspondence about this story should be directed to latestnews@newscientist.com   *   Sign up for our free newsletter ----------------------------------------------   Click here... Click here...     *   About newscientist.com •  Subscribe •  Contact Us •  FAQ •  Media [Jump to .. ] Information •  Disclaimer •  Terms and Conditions •  Site Map •  Privacy Policy  © Copyright Reed Business Information Ltd.