Everyone worries from time to time-it's an unavoidable part of life. But did you know that over time, chronic worrying can take a hefty toll on your health, happiness, and relationships? One of the causes of worry is a. fear of uncertainty (or fear of the unknown). If you regularly lose sleep over "what ifs," you may struggle with making decisions, try to avoid new situations, and ultimately miss out on life's adventures. So, how can you overcome...