Some European retailers have stopped selling certain headphones after an EU-funded study found that they contained hormone-disrupting chemicals. The study included leading brands such as Apple, Beats, Samsung, Bose, JBL, and Sennheiser. Online stores Bol.com, Coolblue, and Mediamarkt didn' t respond to inquiries from The Verge about which headphones they pulled, but local news outlets report that they're among the retailers that have decided to yank some of the worst-scoring models off the market. The study authors analyzed 81 different types of headphones, and found that all of them contained at least traces of harmful chemicals includi … Read the full story at The Verge. ...read more read less