PFAS

What it is

PFAS are a diverse group of synthetic organofluorine chemical compounds characterized by multiple fluorine atoms attached to an alkyl chain [1], [27]. This structure gives them unique properties, including thermal and chemical stability, as well as water and oil repellency [11], [28].

Common uses

• Non-stick cookware [17], [21]

• Waterproof and stain-resistant clothing and textiles [6], [21]

• Food packaging (pizza boxes, takeout containers) [6], [21]

• Firefighting foam [6], [11]

• Cosmetics (waterproof mascara, shiny lip gloss) [17], [27]

Anxiety level

High. The term "forever chemicals" and reports of widespread contamination contribute to significant public anxiety [17], [18].

Cultural claims

• PFAS are "forever chemicals" that accumulate in the environment and human bodies [11], [18].

• Exposure to PFAS is ubiquitous, with nearly all Americans having detectable levels in their bodies [18], [25].

Source sentiment

News sources express concern over the widespread presence of PFAS and their potential health effects, emphasizing the need for action and regulation [17], [18].

Origin

The first PFAS, polytetrafluoroethylene (PTFE or Teflon), was discovered accidentally by DuPont while researching new refrigerants [8], [26], [29].

First appeared: 1938

Studies

Nuance

The health effects of PFAS exposure can vary depending on the specific compound, exposure level, duration, and individual susceptibility [24].

Avoidance tips

• Check product labels for PFAS or related chemicals [38].

• Choose restaurants and food packaging that have phased out PFAS [43].

• Cook at home more often to reduce exposure from takeout containers [45].

• Use a water filter certified to remove PFAS [20], [39].