Some European retailers have stopped selling certain headphones after an EU funded study found that they contain hormone disrupting chemicals. The study authors analyzed 81 types of headphones made by more than 50 different brands including Apple, Beats, Bose, and JBL. They found that all of them contained at least traces of harmful chemicals including bisphenols, phalates, and flame retardants.These are endocrine disruptors linked to reproductive health issues, neurological problems, and other health risks ...