@itsangelicageorges: 1. Reading to learn rather than just for entertainment 2. Meditation; specifically mindfulness meditation 3. Brain-stimulating games like chess, puzzles and word games 4. Practicing a musical instrument 5. Socializing (it’s a mental workout) 6. Teaching something you learn to others 7. Deep, consistent sleep 8. Embracing boredom (10 minutes of boredom) 9. Taking notes/writing by hand 10. Trying new recipes (multi-sensory intelligence!) 11. Using your non-dominant hand