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      Arsenic, heavy metals, phthalates, pesticides, hydrocarbons and polyfluorinated compounds but not parabens or phenols are associated with adult remembering condition: US NHANES, 2011-2012.

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      Environmental science and pollution research international

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          Abstract

          Links between environmental chemicals and human health have emerged, but the effects on cognition were less studied. Therefore, it was aimed to study the relationships of different sets of environmental chemicals and the remembering condition in a national and population-based study in recent years. Data was retrieved from the US National Health and Nutrition Examination Surveys, 2011-2012, including demographics, blood pressure readings, serum measurements, lifestyle factors, self-reported remembering condition and urinary environmental chemical concentrations. Analyses included Chi-square test, t test and survey-weighted logistic and multi-nominal regression models. Among the elderly aged 60-80 (n = 1791), 320 (17.9%) had difficulties in thinking or remembering. People who had difficulties in thinking or remembering had higher levels of urinary heavy metals, phthalates, pesticides and hydrocarbon concentrations but lower levels of urinary arsenic and polyfluorinated compound concentrations. During the recent past week, 146 people (8.2%) had trouble remembering for more than three times while 619 people (35.2%) had that for one to three times. These people had higher levels of urinary heavy metals, phthalates, pesticides and hydrocarbon concentrations but lower levels of urinary polyfluorinated compound concentrations. There were no associations with urinary bisphenols, parabens, perchlorate, nitrate or thiocyanate concentrations. This is the first time observing statistically significant risk associations of urinary heavy metals, phthalates, pesticides and hydrocarbon concentrations and the remembering condition specifically in the elderly, although the causality cannot be established. Elimination of such environmental chemicals in humans might need to be considered in future health policy and intervention programs.

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          Author and article information

          Journal
          Environ Sci Pollut Res Int
          Environmental science and pollution research international
          1614-7499
          0944-1344
          Apr 2015
          : 22
          : 8
          Affiliations
          [1 ] School of Energy, Geoscience, Infrastructure and Society, Heriot-Watt University, Riccarton, EH14 4AS, Edinburgh, Scotland, UK, i.shiue@hw.ac.uk.
          Article
          10.1007/s11356-015-4261-9
          25744817
          c7064109-ef4e-4b18-a97e-47fb66def91b
          History

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