1. Exercise daily. About 30 minutes a day.
2. Activate your mind constantly by solving puzzles, problems, riddles etc.
3. Eat good water rich foods. Reduce the amount of foods like fried meat.
4. Spent time and talk with your family and friends.
5. Meditate. Practice any form of meditation. Yoga or self-hypnosis can also be considered.
6. Read at least one book a week.
7. Keep asking questions. Asking questions will lead to answers. Never ever stop asking questions.