Question

which keywords would be most effective to find research on the benefits of laughter? check all that apply. humor and laughter statistics and benefits benefits and laughter and research statistics and humor and emotional and health humor and emotional and health and research benefits and laughter and medicine and patients statistics and benefits and doctors and patients and disease and health

Explanation:

• "humor AND laughter": Focuses on the core elements related to the concept of laughter (humor often leads to laughter).
• "benefits AND laughter AND research": Directly targets the benefits of laughter and includes the aspect of research which is what the question asks for (finding research on the topic).

Answer:

humor AND laughter, benefits AND laughter AND research