Last updated July 11, 2026
Key finding
HbA1c decreased by 0.31% (between-group difference: -0.31%; 95% CI -0.54, -0.09)
A 12-week laughter yoga program was found to be feasible for individuals with type 2 diabetes and demonstrated improvements in glycemic control.
Quick read
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EvidenceScore™
Moderate
Study type
RCTs
Follow-up
Medium-Term (3–12 mo)
Risk of bias
Some Concerns
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Plain-language summary
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Study focus
A 12-week laughter yoga program was found to be feasible for individuals with type 2 diabetes and demonstrated improvements in glycemic control.
Improving glycemic control is crucial for managing type 2 diabetes and reducing the risk of complications. This study suggests that laughter yoga could be a viable and enjoyable intervention to enhance both physical and emotional health in this population.
The effectiveness of the laughter yoga program remains unclear due to limited sample size. Potential biases in self-reported measures could affect outcome validity. The generalizability of findings may be limited to specific demographic groups.
Published in
Publication details and source links for this paper.
Mayumi H, Tetsuya O, Yawei W, et al. A 12-week laughter yoga program is feasible for individuals with type 2 diabetes and improves glycemic control. Frontiers in Endocrinology. 2023;14:1148468. doi:10.3389/fendo.2023.1148468
HbA1c decreased by 0.31% (p = 0.008), indicating improved glycemic control.
Positive affect increased by 0.62 points, suggesting enhanced emotional well-being.
Sleep duration tended to increase by 0.4 hours, although not statistically significant (p = 0.080).
Evidence network
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This study contributes evidence to Laughter Yoga Program and Change in Positive Affect Score, HbA1c, Total sleep time measured in minutes.
This study contributes evidence to
Primary intervention
Laughter Yoga Program
Primary outcomes
Evidence topics
Primary intervention
Intervention and outcome relationships this study adds to the evidence network.
Editorial context
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Evidence network role
This section describes how the study fits into the current evidence network. It does not determine whether an intervention works on its own.
1
Related topics
3
Evidence pairs
180
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Evidence topic
Contributes evidence
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Primary evidence
Evidence topic
matched_outcome
Core evidence
The primary outcomes reported in this study.
Laughter Yoga Program → Change in Positive Affect Score
Laughter Yoga Program → Change in Positive Affect Score
Laughter Yoga Program → Total sleep time measured in minutes
Laughter Yoga Program → Total sleep time measured in minutes
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Relationships organized using the Dediabetes Evidence Intelligence™ framework.
This study contributes to evidence on Laughter Yoga Program and HbA1c, Laughter Yoga Program and Change in Positive Affect Score.
This study contributes to the evidence on the following intervention-outcome relationships.
Behavioral & Lifestyle
Behavioral & Lifestyle
Curated evidence collections and hubs this study is part of.
All studies measuring Change in Positive Affect Score
Measures Change in Positive Affect Score as a key outcome.
All studies measuring HbA1c
Measures HbA1c as a key outcome.
All studies on Laughter Yoga Program
Contributes to Laughter Yoga Program evidence base.
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1 results
1 results
1 results
1 results
1 results
Generated from the study's connected evidence using Evidence Intelligence™.
Laughter Yoga Program appears to improve Change in Positive Affect Score.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
Change in Positive Affect Score
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
Laughter Yoga Program appears to improve HbA1c.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
HbA1c
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
Current evidence does not show a clear benefit of Laughter Yoga Program for Total sleep time measured in minutes.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
Total sleep time measured in minutes
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | neutral | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
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