The effects of laughter and other positive psychological interventions on the prevention of the onset and severity of lifestyle-related diseases.

The effects of laughter and other positive psychological interventions on the prevention of the onset and severity of lifestyle-related diseases. - The effects of laughter interventions on the prevention of the onset and severity of lifestyle-related diseases.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000047164

Enrollment

Registered

2022-03-20

Start date

2014-07-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Diabetes Mellitus

Interventions

Laughter Yoga (1hour, 8 times/12 weeks) Lecture about laughter and health (30min, 8 times/12 weeks)

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Type 2 diabetes with HbA1c (NGSP criteria) of 6.1% to 7.9% within the past 3 months, and with a 3-month fluctuation of 1.0 or less.

Exclusion criteria

Exclusion criteria: Those with a history of stroke or ischemic heart disease in the past (but may participate if symptoms are stable and doctor's approval is given for light exercise).

Design outcomes

Primary

Measure	Time frame
Hemoglobin A1c level by blood test after 12-weeks intervention	—

Secondary

Measure	Time frame
After 12-weeks intervention (1) frequency of laughter, psychological health such as depressive symptoms and subjective stress, and lifestyle habits such as sleep time (2) Blood pressure, pulse rate, body weight, body mass index, and waist circumstance (3) Autonomic nervous system function	—

Countries

Japan

Contacts

Public ContactTetsuya Ohira

Fukushima Medical University School of Medicine Department of Epidemiology

teoohira@fmu.ac.jp024-547-1343

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026