Here are three tips for training your brain from the document: 1. Use your brain more by learning new things, changing your routine, engaging in brainstorming discussions, and taking on new hobbies and activities to stimulate your brain and form new connections. 2. Eat a whole grain diet as carbohydrates serve as fuel for brain functioning, and a study found people who ate more carbs had better brain recall. 3. Watch higher-level programs instead of sitcoms and reality shows to engage your brain more and improve its health and functioning.