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Low-level laser therapy for weight reduction: a randomized pilot study.

Ivana T Croghan1,2, Ryan T Hurt3, Darrell R Schroeder4

  • 1Department of Medicine, Division of Community Internal Medicine and Clinical Research Office and Center of Science and Health Care Delivery, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA. croghan.ivana@mayo.edu.

Lasers in Medical Science
|September 2, 2019
PubMed
Summary
This summary is machine-generated.

Low-level laser therapy (LLLT) shows promise for weight management. A pilot study found that LLLT twice weekly for six weeks was most effective for reducing weight, body fat, and improving quality of life.

Keywords:
AdiposityClinical trialOverweightWeight loss

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Area of Science:

  • Medical Science
  • Biotechnology
  • Health and Wellness

Background:

  • Obesity is a global health concern requiring novel treatment strategies.
  • Low-level laser therapy (LLLT) is a non-invasive method for fat reduction, but optimal parameters are not established.
  • Limited research exists on LLLT's efficacy and optimal frequency for weight management.

Purpose of the Study:

  • To compare the effects of three common LLLT frequencies on weight, waist circumference, body fat percentage, and quality of life.
  • To determine the optimal frequency and duration for LLLT in overweight adults.
  • To provide evidence for LLLT as a potential non-invasive weight management tool.

Main Methods:

  • Sixty overweight adults were randomized into three LLLT treatment groups (3x/week for 4 weeks, 2x/week for 6 weeks, 1x/week for 12 weeks).
  • Measurements included weight, waist circumference, BMI, body fat percentage, and quality of life at baseline and follow-up visits (weeks 4, 6, 12, 26).
  • Participants received 12 LLLT treatments over their assigned period.

Main Results:

  • The group receiving LLLT twice weekly for 6 weeks showed the greatest reductions in weight, waist circumference, BMI, and body fat mass.
  • This group also reported the most significant improvements in quality of life, body satisfaction, and body appreciation.
  • Most participants (98%) completed at least 10 of the 12 treatments, indicating good adherence.

Conclusions:

  • LLLT administered twice weekly for six weeks appears to be the optimal regimen for managing body weight and improving related health outcomes.
  • This study suggests LLLT as a viable non-invasive option for overweight individuals seeking body composition improvements.
  • Further research is warranted to confirm these findings in larger, diverse populations.