Study: Laser printers may pose health risks Toner particle emissions from laser printers can be as unhealthy as cigarette smoke, according to Australian university research. By Peter Judge and David Meyer Special to CNET News.com Published: August 1, 2007, 5:31 AM PDTTalkBackE-mailPrint del.icio.us Digg this Emissions from office laser printers can be as unhealthy as cigarette smoke, according to an Australian professor who is now calling for regulations to limit printer emissions. Office workers breathing easy

Two years ago, then 3-year-old Matthew Weed, of Tampa, was busy building a tower of blocks when a playmate picked up two of them. "They're mine," Matthew wailed, snatching them back and leaving his friend in tears.Sound familiar? "Pre-schoolers are naturally self-centered," says Nora Newcombe, Ph.D., a professor of psychology at Temple University. And one way they assert their independence is by holding tight to their possessions. Still, there are ways to jump-start generosity: