Smartwatch Wristbands Under Fire for Toxic Chemicals Recent research has unveiled a shocking presence of “forever chemicals” in smartwatch wristbands, igniting environmental and health concerns. Scientists at the Scripps Research Institute have discovered high levels of perfluorohexanoic acid (PFHxA), particularly in bands made from fluorinated synthetic rubber, predominantly in pricier models. The study analyzed 22 smartwatches and fitness bands from