Experts suggest that certain hobbies and activities can contribute to increased happiness and better health. There is some variation in the specific activities and habits recommended, with some sources citing 6 hobbies, while others mention 5 or 12 brain-boosting habits. Engaging in certain activities for a limited time, such as 2 hours a week, may also be associated with greater happiness, although the exact nature and duration of these activities is not consistently defined.