PFNA

PFNA is the acronym for perfluorononanoic acid. PFNA belongs to the per- and polyfluoroalkyl substances - PAFS - associated synthetic chemical alkyl compound. PFAs pose a significant problem to our environment and to our health. PFASs are found in biological samples of all kinds, including serum, skin and even hair. American scientists suspect that over 98% of the U.S. population has one or more detectable PFAS chemicals in their blood. Measurement results show that for the general population, inhalation of PFAS-contaminated indoor air and dust (from furnishings) are the main sources of exposure besides drinking water (Pitter G et al. 2020; Stubleski J et al. 2017). But also via fish, meat, milk, eggs and vegetables from contaminated regions.

For more, see below. PAFS and medicine

1. Daly ER et al. (2018) Per- and polyfluoroalkyl substance (PFAS) exposure assessment in a community exposed to contaminated drinking water, New Hampshire Int J Hyg Environ Health 221:569-577.
2. Li Y et al. (2018) Half-lives of PFOS, PFHxS and PFOA after end of exposure to contaminated drinking water. Occup Environ Med 75:46-51.

3. Pitter G et al. (2020) Serum Levels of Perfluoroalkyl Substances (PFAS) in Adolescents and Young Adults Exposed to Contaminated Drinking Water in the Veneto Region, Italy: A Cross-Sectional Study Based on a Health Surveillance Program. Environ Health Perspect 128:27007.

4. Stubleski J et al. (2017) The effect of drinking water contaminated with perfluoroalkyl substances on a 10-year longitudinal trend of plasma levels in an elderly Uppsala cohort. Environ Res 159:95-102.