Journal
JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH-PART A-CURRENT ISSUES
Volume 70, Issue 20, Pages 1779-1782Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/15287390600754953
Keywords
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Funding
- NATIONAL CANCER INSTITUTE [R03CA110796, R01CA047147] Funding Source: NIH RePORTER
- NCI NIH HHS [CA47147, CA110796] Funding Source: Medline
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Cadmium is a toxic, bioaccumulated heavy metal with a half-life of one to four decades in humans (CDC, 2005). Primary exposure sources include food and tobacco smoke. In our population-based study, a risk-factor interview was conducted as part of a breast cancer study for 251 randomly selected women living in Wisconsin (USA), aged 20-69 yr, and spot-urine specimens were also obtained. Urine collection kits were carefully designed to minimize trace element contamination during specimen collection and handling in each participant's home. Urine cadmium concentrations were quantified using inductively coupled plasma-mass spectrometry, and creatinine levels and specific gravity were also determined. Statistically significant increasing creatinine-adjusted urinary cadmium mean levels relative to smoking status (never, former, and current respectively) were observed. A difference in mean cadmium levels for nonsmokers who reported environmental tobacco smoke exposure during childhood or the recent past (approximately 2 yr prior to the interview) for exposure at home, at work, or in social settings compared to those who reported no exposure was not found.
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