HHPF is using science to explore simple breathing practices that provide immediate and long-term physiological changes to the body’s performance systems.

By providing accessible, non-pharmacological and scientifically-validated solutions to today’s stress-management crisis, our work will have wide-ranging implications across many populations.

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Why is this work important?

Poor stress regulation reduces mental and physical performance across all aspects of life. Not only does this cost lives and quality of life, but trying to fix resulting problems costs extensive private and public resources. 

Current solutions are limited to non-scalable and often inaccessible practices (e.g., private coaching), drugs with extensive side effects and limited efficacy, and other quick-fixes that deteriorate long-term physiological adaptability.

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Through the generosity of foundations, government agencies, private donors, and the general public, the HHP Foundation is breaking ground on the following projects:

CURRENT PROJECTS
In collaboration with two universities, four scientists, and one fire department, we are currently investigating anxiety, CO2 tolerance, and firefighter performance in three pilot studies as we work to build the nonprofit infrastructure necessary to raise funds in support of follow-up research.

FORTHCOMING PROJECTS
In collaboration with five universities, seven scientists, and five facilities, we are currently raising funds to investigate the following topics: autoimmune conditions, athletic performance, lung disease, blood donor syncope, and cognitive decline.

Current Research

 
CO2 Tolerance and Anxiety Study

CO2 Tolerance and Anxiety Study

Firefighter Performance Study

Firefighter Performance Study

Microbiome Study

Microbiome Study


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CO2 Tolerance And Anxiety Study

HHPF is helping researchers at California State University, Fullerton evaluate use of a timed exhale CO2 tolerance test as an index of anxiety in healthy adults.

The study is a 2-visit, single-arm pilot evaluating the feasibility and effectiveness of a timed exhale test as a quick, easy-to-use, equipment-free tool for diagnosing short-term (“state”) and long-term (“trait”) anxiety among healthy adults.

The study also examines the connections between breathing and anxiety, particularly at nonclinical levels.

Insights gained from this pilot will be used to design a longer-term, randomized trial.

This line of research will identify and test simple ways to measure the impact of stress on respiratory physiology, so we can ultimately evaluate the effectiveness of breath-related interventions in measuring and addressing physiological (CO2 “tolerance”) and psychological (measures of anxiety) responses to stress.

Collaborator: California State University, Fullerton

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Firefighter Performance STUDY

A Pilot Study of Interventions for Improving Firefighter Health & Performance

HHPF is collaborating with Dartmouth College and the Henderson, KY fire department to conduct a 6-week, single-arm pilot (N=20) evaluating the feasibility and effectiveness of a 12-minute, 3x/week diaphragmatic breathing intervention on firefighter performance during a simulated firefighting activity.

The study also assesses the effectiveness of this practice on firefighter stress & work-related burnout.

Findings from this pilot will be used to design a larger randomized and controlled followup study.

Our goal is to find and test simple ways to keep firefights healthy, performing well and staying on-the-job.

The study is currently under IRB review and will begin after IRB approval has been granted.

Collaborators: Dartmouth College and Henderson, Kentucky Fire Department

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MICROBIOME STUDY

HHPF is helping researchers at San Francisco State University (SFSU) conduct an investigation of the gut-muscle-brain axis in a 2-week aerobic exercise training study.

The study is 3-arm randomized trial evaluating changes in gut microbiota composition associated with a 2-week training program comprising either:

  • Aerobic exercise only

  • Nasal breathing training only

  • Aerobic exercise + nasal breathing

The study will also assess associations between changes in gut microbiota and aerobic fitness and vagal modulation.

Findings will help us more thoroughly understand the complex and multi-dimensional relationship between gut microbiota, fitness, and our nervous system.

The study is currently under IRB review and will begin after IRB approval has been granted.

Collaborator: San Francisco State University

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Related Publications

Gregory J. Grosicki, Roger A. Fielding, Michael S. Lustgarten, Gut Microbiota Contribute to Age-Related Changes in Skeletal Muscle Size, Composition, and Function: Biological Basis
for a Gut-Muscle Axis

P. Durk, Ryan & Castillo, Esperanza & Márquez-Magaña, Leticia & Grosicki, Greg & Bolter, Nicole & Matthew Lee, C & Bagley, James. (2018). Gut Microbiota Composition Is Related to Cardiorespiratory Fitness in Healthy Young Adults. International Journal of Sport Nutrition and Exercise Metabolism. 1-15. 10.1123/ijsnem.2018-0024.

 

Breath and Stress Systematic Literature Review

HHPF is conducting a systematic review of peer-reviewed, published literature examining effectiveness of intentional breathing practices on anxiety and stress outcomes.

  • We will disseminate findings to identify gaps in the literature and recommend directions for future research.

Collaborator: University of Southern California, California State University, Fullerton

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