Publications by authors named "Deuster P"

This article highlights key topic areas related to dietary supplements (DSs) and performance-enhancing substances. It also discusses evidence-based resources the medical community can use when discussing high-quality DSs with Servicemembers interested in taking DSs. We briefly overview how DSs are regulated in the United States, discuss problematic categories and issues related to quality, expand upon what are often considered performance-enhancing substances yet sometimes sold as DSs, and then offer solutions to counter the consequences of the dark side of the DS industry.

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  • A study was conducted with 17 participants walking "The Green Road" to measure the effects on heart rate variability (HRV), cortisol levels, and mood.
  • Results showed two distinct groups based on HRV: one group experienced significant reductions in physiological stress, while the other showed increased stress levels.
  • Overall, walking in nature led to lower cortisol levels and better mood scores compared to urban walking, highlighting the health benefits of nature exposure.
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  • - Environmental heat stress is a major concern for warfighters, athletes, and workers, leading to exertional heat illness (EHI) that can cause severe health issues and long-term problems like cardiovascular dysfunction.
  • - A study invested genetic factors related to EHI by using whole-exome sequencing on 53 cases, finding that 30.2% of participants had clinically significant gene variants across 14 different genes, some of which are linked to muscle disorders and thermoregulation.
  • - Notably, the p.Arg905Trp variant was identified to hinder the thermal sensitivity of the TRPM4 channel, suggesting a new molecular mechanism of susceptibility to EHI, and highlighting the complexity of its genetic causes.
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  • Lower extremity chronic exertional compartment syndrome (LE-CECS) is a condition that affects physical activity, notably in military personnel, and fasciotomy (a surgical treatment) may influence military service separations.
  • A study of over 1 million active-duty service members from 2011 to 2017 found that LE-CECS significantly increases the risk of medical and nonmedical separations, especially in men and women undergoing certain surgical procedures.
  • The results suggest that while LE-CECS leads to higher discharge risks, fasciotomy does not appear to improve long-term military careers, highlighting the need for further research on this issue.
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Mitochondrial dysfunction is implicated in heat-induced skeletal muscle (SKM) injury and its underlying mechanisms remain unclear. Evidence suggests that cellular ions and molecules, including divalent cations and adenine nucleotides, are involved in the regulation of mitochondrial function. In this study, we examined Ca, Mg, and NAD levels in mouse C2C12 myoblasts and SKM in response to heat exposure.

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The year of 2023 displayed the highest average global temperatures since it has been recorded-the duration and severity of extreme heat are projected to increase. Rising global temperatures represent a major public health threat, especially to occupations exposed to hot environments, such as construction and agricultural workers, and first responders. Despite efforts of the scientific community, there is still a need to characterize the pathophysiological processes leading to heat related illness and develop biomarkers that can predict its onset.

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Objective: Investigate the influence of physical readiness tests (PRTs) on eating behaviors among US Navy Sailors.

Design: Focused ethnography using interviews and military policies.

Setting: Three US Naval installations.

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Importance: Dietary supplements for weight loss, among the most popular supplement products on the market, are promoted not only for losing weight and shedding fat, but also for added benefits of energy and performance, all packed into 1 capsule with multiple combinations of ingredients. Fraudulent marketing of weight loss supplements, some with exaggerated claims, some that are potentially dangerous, and some that contain illegal ingredients, is ever present, especially through online sources, where multiple manufacturers target service members by offering military discounts.

Objectives: To examine whether select dietary supplements marketed online for weight loss from companies advertising military discounts are accurately labeled according to the Supplement Facts listed ingredients, whether they contain any ingredients prohibited for use in the military, and to qualitatively describe the products' label claims.

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  • * The study involved SCT-positive African Americans, comparing 30 individuals with a history of ERM to 53 controls without, and utilized whole-genome sequencing to explore genetic factors influencing ERM.
  • * Key findings indicated that those with ERM experienced marked muscle weakness, pain, and significantly high serum creatine kinase levels, with a notable association between the SLC44A3 gene variant and ERM events in the SCT-positive group.
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Background: Among individuals with prior exertional heat illness (EHI), heat tolerance testing (HTT) may inform risk and return to duty/activity. However, little is known about HTT's predictive validity, particularly for EHI recurrence. Our project sought to demonstrate the predictive validity of HTT in EHI recurrence and HTT's utility as a diagnostic tool in exertional heat stroke (EHS).

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Self-assessments are commonly used to track Army readiness in specialized communities, but they are rarely analyzed for reliability and predictive validity. Before introducing new assessments, existing ones should be reevaluated. We examined the Global Assessment Tool (GAT), an annual Army-required self-assessment with multiple psychosocial and health behavior short scales.

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Introduction: The Cardiovascular Disease (CVD) Prevention project is a VA-DoD initiative, supported by the Joint Incentive Fund. The goal of the project is to create an innovative, 3D virtual space within the VA-Virtual Medical Center (VA-VMC) platform that provides Veterans and Active Duty Service Members with educational resources on the prevention of CVD.

Materials And Methods: The Performance Health and Wellness Center is a new center within the VA-VMC.

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Total Force Fitness (TFF) is a multidomain, holistic framework that provides the Department of Defense (DoD) with the capability to assess, promote, and sustain human performance optimization across the full spectrum of components key to meeting mission requirements. On September 14 and 15, 2021, in Bethesda, MD, The Consortium for Health and Military Performance convened a second TFF Summit with the goal of promoting the mission of optimizing the health and well-being of our service members across their careers. Participants included scientists, clinicians, educators, public health professionals, and military leaders from all the services.

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Total Force Fitness (TFF) was conceived as a holistic framework for building and sustaining Human Performance Optimization for Warfighters and their families. As such, TFF research must also be holistic in nature. During the research breakout, group barriers and challenges to TFF research were discussed, and critical research focus areas were prioritized.

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Introduction: Chronic pain and associated interference with daily activities are common in the military and impact Force readiness. Chronic pain affects one-third of service members and is a leading cause of medical non-readiness (MNR) in the military. Research suggests that underlying psychological mechanisms related to trait coping styles and pain interference (PI) affect functional outcomes, but little research exists examining this relationship within an Army population.

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In 2008, the Institute of Medicine (IOM) Committee on Dietary Supplement Use by Military Personnel recommended the development of service wide military policies (e.g., education or regulations) to guide commanders in management practices for safe use of dietary supplements (DS).

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This is an introduction to the second Women in Combat Supplement and provides an editorial on the topic.

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The inclusion of omega-3 fatty acids in our dietary intake is important for performance and recovery and may reduce the risk of various health issues. Studies have shown the omega-3 fatty acid status of US service members is low. The purpose of this study was to evaluate whether offering fish and omega-3-enhanced foods would increase the Omega-3 Index (O3I).

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Mitochondrial fission is a crucial process in maintaining metabolic homeostasis in normal physiology and under conditions of stress. Its dysregulation has been associated with several metabolic diseases, including, but not limited to, obesity, type 2 diabetes (T2DM), and cardiovascular diseases. Reactive oxygen species (ROS) serve a vital role in the genesis of these conditions, and mitochondria are both the main sites of ROS production and the primary targets of ROS.

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Obesity, overweight, and suboptimal eating habits are threats to U.S. active-duty service member (SM) nutritional fitness.

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Introduction: Go for Green® (G4G) is an evidence-based, multi-component nutrition program for military dining facilities (DFAC) to improve nutritional fitness among Service Members. The program evolved from supporting "fueling" during initial Army training into a robust intervention across all U.S.

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Objective: Identify factors influencing eating behaviors among emerging adults in the military.

Design: Focused ethnography using interviews, observations, and artifacts for data.

Setting: Three US Naval installations.

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Article Synopsis
  • - Optimal nutrition is crucial for mental health, with oxidative stress and inflammation affecting psychological well-being, especially in warfighters facing increased stress and family separation.
  • - Research highlights the health benefits of flavonoids found in fruits and berries, which have strong antioxidant and anti-inflammatory properties that may help combat issues like depression.
  • - The review emphasizes the potential of berry flavonoids to improve brain and overall health, suggesting that a diet rich in these compounds could support psychological health interventions for warfighters.
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