Whether you consider yourself a positive person—like actor Jason Sudeikis’s 2020 Golden Globe-winning character, Ted Lasso—or a Negative Nelly, there will always be times when you will feel weighted down by worry. That load doesn’t just sink your happy thoughts; it can also take a toll on your health. A 2019 study on optimism conducted by a team of researchers from Harvard University’s T.H. Chan School of Public Health found that a positive attitude is associated with an 11 percent to 15 percent longer lifespan and a greater chance of living to or past the age of 85. The correlation between a positive attitude and longevity was independent of income, health conditions, and even healthy behaviors like not smoking. “Overall, findings suggest optimism may be an important psychosocial resource for extending life span in older adults,” the Harvard researchers concluded. However, the trick is not to be happy and positive all …