Patients feel less pain when they SMILE during an injection, research suggests

New research suggests people smiling could make injections less painful. It comes as the new Covid jab is due to be rolled out. Smilers reported 40 per cent less pain than people pulling other expressions. https://www.dailymail.co.uk/news/article-9024849/Patients-feel-pain-SMILE-injection-research-suggests.html?ns_mchannel=rss&ns_campaign=1490&ito=1490