If you're feeling tired, fuzzy, or unmotivated, you're not alone. Stress related to the COVID-19 coronavirus and the pandemic can take a huge short- and long-term toll on your mental and physical health. Turns out, our bodies weren't meant to maintain high levels of stress for long periods of time. The wear and tear it causes our bodies is called allostatic load, with symptoms like depression, irregular menstrual cycles, and an increased susceptibility to disease. Here's what's happening in your brain when you're chronically stressed and what it does to your body.