Summary:
- The article discusses the presence of toxic "forever chemicals" known as PFAS in the wristbands of many popular smartwatches and fitness trackers.
- PFAS are a class of synthetic chemicals that are highly persistent in the environment and have been linked to various health issues, including cancer, reproductive problems, and immune system damage.
- The article highlights the concerns raised by environmental groups and consumers about the potential health risks associated with these chemicals being in close contact with the skin, and the lack of transparency from manufacturers about their use.