Long ago, I resigned to the fact that I am in charge of very little in my life. Markets will move up and down with little input from me. Viruses will spread across countries and continents in a manner beyond my control. But for many years we have been told that the one thing we have influence over is our own response to stressors such as markets and health crises and that these responses can have a very significant impact on our health. Here is an article that explains how our perceptions of external stressors and our reaction to them can affect how we age.