In the provided text, the question asks how laughter and the other recommendations mentioned are alike. The key idea here is to identify the commonality between laughter and the other suggestions for health improvement mentioned in the paragraph.
1. They are all best in occasional doses.
2. They all can help people stay healthy.
3. They all require doctors' orders.
4. They are all surprising ideas.
The correct answer is: They all can help people stay healthy.
Explanation:
The paragraph suggests that laughter, along with exercise and a balanced diet, could contribute to better health. While exercise and a balanced diet are commonly recommended for good health, the addition of laughter as a beneficial factor might come as a surprise to some readers. Therefore, the commonality between laughter and the other recommendations is that they all have the potential to help individuals maintain good health.
