Research shows that exercise improves mental health in a number of ways. It has been shown to reduce anxiety, depression, and negative mood. It can improve self-esteem as well as cognitive function. It’s likely that multiple factors are at play to help bring about these benefits. The effects aren’t just immediate, but there appear to be long term benefits of exercise on the brain as well. Even though we know there are benefits of exercise on mental health, we need to know more about the specifics of how exercise helps mental health to hone in on what types of exercise is most helpful, how long someone needs to exercise to reap benefits, etc. And even if people understand why exercise is good for mental health, why is it still so hard to stick to a program? Caitlin posits a challenge of noticing your mood during and after exercise.