“I will never understand all the good that a simple smile can bring.” In the words of a woman who dedicated her life to altruism and altruism, Mother Teresa emphasizes the importance of a smile. Smiling is one of the most basic human facial expressions, but its purpose is often taken for granted and its benefits overlooked. Numerous psychological and behavioral studies have been conducted to evaluate the effects of smiling on an individual's success. The findings provide quantifiable evidence that a simple and transparent act like smiling can produce long-term benefits for society. In this article I will examine the influence of a smile and how it can improve your health, relationships and professional life. The act of smiling can have many unknown benefits to an individual's personal health and well-being. A 30-year study at UC Berkeley examined student yearbook photos and the nature of each person's smile. Based on each person's smile, researchers were able to determine the success of their marriage, their score on an aptitude test, and how much of an inspiration they would be to others. The sincerity and width of a person's smile can also be used to predict their longevity. While the correlation between a smile and these variables may seem hard to believe, there is scientific evidence to demonstrate why a smile can provide countless positive benefits. First, smiling suppresses the control we have over facial muscles, easing stress and tension and lowering our heart rate. It also provides a natural form of happiness by reducing stress-inducing hormones such as cortisol, dopamine and adrenaline and increasing mood-enhancing hormones such as endorphins. Smiling also stimulates reward mechanisms allowing us to pay... half the paper... outside of a full-time employee with a stable job, smiling generates happiness which leads to greater performance and productivity, faster promotions, income higher and better feedback. In a study conducted by iOpener that surveyed 3,000 employees, results showed that happier employees were 50% more motivated at work and took 66% less sick leave than unhappy ones. The smile is often overlooked in society because, even though we see it often, we have been trained to imitate the classic, insincere smile we constantly see in the media. The benefits described above can only be obtained from a genuine smile that involves the muscles under the eyes. In an effort to improve the state of health in the United States, I strongly encourage everyone to start by smiling: it is a free, healthy and attractive way to achieve happiness and build personal and professional relationships..