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PFAS in Veneto youth tracked with higher blood pressure

In 16,224 Veneto adults aged 20–39 exposed via contaminated drinking water, higher serum PFOA, PFOS, and PFHxS associated with hypertension, with the signal concentrated in men.

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How large was the young-adult sample?

16,224 people aged 20–39.

Source: Perfluoroalkyl substances are associated with elevated blood pressure and hypertension in highly exposed young adults · DOI · quote verified

How were they exposed?

PFAS in drinking water for several decades in Veneto.

Source: Perfluoroalkyl substances are associated with elevated blood pressure and hypertension in highly exposed young adults · DOI · quote verified

Which PFAS dominated the water problem?

Particularly PFOA, until autumn 2013.

Source: Perfluoroalkyl substances are associated with elevated blood pressure and hypertension in highly exposed young adults · DOI · quote verified

Hypertension OR for PFOA, PFOS, PFHxS?

1.06, 1.12, and 1.08.

Source: Perfluoroalkyl substances are associated with elevated blood pressure and hypertension in highly exposed young adults · DOI · quote verified

In whom were positive associations detected?

Only in men after sex stratification.

Source: Perfluoroalkyl substances are associated with elevated blood pressure and hypertension in highly exposed young adults · DOI · quote verified

How large were blood-pressure associations?

Relatively small; SBP effect modified by gender.

Source: Perfluoroalkyl substances are associated with elevated blood pressure and hypertension in highly exposed young adults · DOI · quote verified

Hypertension threshold used?

SBP ≥140 or DBP ≥90 mmHg triggered a repeat measure.

Source: Perfluoroalkyl substances are associated with elevated blood pressure and hypertension in highly exposed young adults · DOI · quote verified

Why quartiles as well as continuous PFAS?

To limit the influence of extreme values.

Source: Perfluoroalkyl substances are associated with elevated blood pressure and hypertension in highly exposed young adults · DOI · quote verified

What makes this cohort unusual?

Homogeneous young adults from a highly exposed community (>15,000).

Source: Perfluoroalkyl substances are associated with elevated blood pressure and hypertension in highly exposed young adults · DOI · quote verified

Can this prove PFAS causes hypertension?

No—it is cross-sectional.

Source: Perfluoroalkyl substances are associated with elevated blood pressure and hypertension in highly exposed young adults · DOI · quote verified