Health Issues
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Ultrafine particles conference

The connection between ultrafine particles (less than 100 billionths of a meter in diameter) and health problems is growing stronger, as shown by various studies and expert speakers at this conference. A study by Rob McConnell of USC showed a 50% increase in asthma for children living within 75 meters of a highway as compared to those living more than 300 meters away. For children who lived near a highway from before the age of two and had no family history of asthma, the increase was 150%. In other words they were 2.5 times as likely to have asthma as those living further away.
Ultrafine Particle Conference presentations

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