When people laugh it's a sign that they're feeling comfortable and relaxed and safe and not exposed, humans do seem to be genuinely unified by laughter. Sophie Scott More Quotes by Sophie Scott More Quotes From Sophie Scott One of the big benefits of laughter is that it feels really good to laugh, you get a change in the uptake of the naturally circulating endorphins, and those are the body's painkillers. You get a measurable increase in your ability to tolerate pain. Sophie Scott health-news