Boiling a hot cup of water for tea or coffee can be a relaxing way to unwind in your hotel room after a long day of traveling, but new information might have you thinking twice before using that kettle. Some guests may be using the hot water boiling appliance to clean dirty underwear. https://twitter.com/YugSTAR/status/900098691804971008 The alarming action came to light when someone presented a question to Twitter followers: “Real question: does anyone I know clean their underwear in a kettle when traveling?” But the question wasn’t an isolated incident. Similar rumors about people washing their undergarments in hotel kettles have been seen on Weibo, China’s Twitter-esque online social media site. Experts are warning of the dangers this type of action can leave for the next hotel guests. Dr. Heather Hendrickson, a senior lecturer in molecular biosciences at the Institute of Natural and Mathematical Sciences at Massey University in Auckland, told Gizmodo about the serious health…