How Movement Heals the Mind

Stress, anxiety, depression relief: Exercise stimulates endorphins and serotonin, distracting from negative thoughts 

Aerobic + strength benefits: Aerobic exercise reduces anxiety and depression; strength training boosts mood through endorphin release

Sources:

https://en.wikipedia.org/wiki/Aerobic_exercise?utm_source

https://time.com/4758683/tai-chi-exercise/?utm_source