Washington: Exposure to tobacco smoke could negatively impact kidney function in adolescents, according to a new study.A team of researchers at the Johns Hopkins Bloomberg School of Public Health and the Johns Hopkins Children`s Center examined the association between exposure to active smoking and kidney function among US adolescents and found the effects of tobacco smoke on kidney function begin in childhood."Tobacco use and exposure to secondhand tobacco smoke are major health problems for adolescents, resulting in short-term and long-term adverse health effects," said Ana Navas-Acien, MD, PhD, senior author of the study and an associate professor with the Bloomberg School`s Department of Environmental Health Sciences."In this nationally representative sample of U.S. adolescents, exposure to tobacco, including secondhand smoke and active smoking, was associated with lower estimated glomerular filtration rates-a common measure of how well the kidneys are working. In addition, we found a modest but positive association between serum cotinine concentrations, a biomarker of tobacco exposure, among first-morning albumin to creatinine ratio. These findings further support the conclusion that tobacco smoke may damage the kidneys."
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