Summary:

- The article discusses the benefits of the "three good things" exercise, which involves writing down three positive experiences or things you're grateful for each day.
- Research has shown that this simple practice can lead to improvements in mood, well-being, and overall mental health, even for people dealing with depression or anxiety.
- The article explains that the exercise works by shifting your focus to the positive aspects of your life, which can counteract the brain's natural tendency to dwell on negative experiences.