Uncertainty is part of living in our world and we can never erase the risk of being involved in an unforeseen circumstance that would eventually lead to someone’s death or even our own. So we tend to worry about things that we don’t even have the assurance of happening apart from the things that we know are going to happen like bills to pay, mortgage, unemployment, and civil strife among other things. But there are certain things that we shouldn’t bother worrying about like these three things that Lise A. Johnson and Eric Chudler listed down as part of their book, "Worried?".
(Image credit: W.W. Norton)