Lead exposure has long been a known health risk, especially for young children. Research has found that even at low levels, chronic exposure to lead can cause damage to the brain and other organs and cause problems with cognitive and motor skills. In response, public health officials have determined that there is no safe exposure level and have made great efforts to eliminate lead-based paint and lead pipes in homes and phase out the use of leaded gasoline.
explores the relationship between secondhand smoke and lead exposure in children. In the study, Alexander Obeng, a doctoral student in the Department of Environmental and Occupational Health at the Texas A&M University School of Public Health, analyzed data onand secondhand smoke exposure in children and adolescents aged 6 to 19. The study was supervised by faculty members Dr. Genny Carrillo and Dr. Taehyun Roh.
The researchers analyzed data on 2,815 children and adolescents, looking at levels of lead and a metabolite of nicotine known as cotinine. Levels of cotinine act as an indicator of exposure to tobacco smoke. The researchers categorized participants by blood cotinine levels and age, with groups for ages 6 to 10, 11 to 15 and 16 to 19, and low, intermediate and heavy cotinine level categories. They also collected data on age, gender, race and ethnicity, household education level and obesity.
These findings seem to align with research showing that non-Hispanic Black adults are more likely to smoke than Hispanic adults.
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