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学科
- Laughter[remove]43
- Attitude (Psychology)7
- Wit and humor7
- Therapeutic use6
- Emotions3
- Happiness3
- Physiological aspects3
- Health2
- Immune system2
- Laughter -- Religious aspects2
- Mental health2
- Mind and Body2
- On being human2
- Religious Aspects2
- Religious aspects2
- Viewpoint2
- A picture of health1
- Anecdotes1
- Anger1
- Bible. Corinthians, 2nd, 9:71