This is the key to looking better, increasing intelligence and being happier.

Between better cognitive function, releasing feel-good chemicals and gradually getting in shape - physical activity is something you should probably do more of if you are anxious or depressed.

A great way to do more is to do it frequently throughout the day.
Atomic Habits by James Clear explains "habit stacks" in depth and how it can change your life in several ways.

Here's the link - https://amzn.to/3urSUcH