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The institution's principal publication for alumni, friends and physicians.
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  Stem cell safety grant  
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  2nd lumpectomy reduces survival rates  
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NEWS
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PCBs impact baby's sex

 "" PHOTO — Irva Hertz-Picciotto
 
Irva Hertz-Picciotto
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Women exposed to high levels of polychlorinated biphenyls (PCBs) are significantly less likely to give birth to male children than women exposed to lower levels of the banned environmental pollutants, a UC Davis study published in Environmental Health has found. It is the strongest evidence to date that maternal exposure to PCBs skews the ratio of male-to-female offspring in humans. Lead author Irva Hertz-Picciotto, an epidemiologist and professor of Public Health at UC Davis said the study will help assess the health risks of populations currently exposed to high levels of PCBs, like those that consume fish from contaminated lakes, and of those exposed to other chemicals with similar molecular structures, like the flame retardants used in plastic casings of televisions, computers and other electronics.

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