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Joseph J. Knapik

US Army Research Institute of Environmental Medicine

62H-index
415Paper Count
1.3WCitation Count
Published Papers 61
Publication Date
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Comprehensive Health Predictors of Injury, Illness, and Separation From Service After Enrollment in Special Forces Assessment and Selection: A Two-Year Longitudinal Study
err2026-10-04
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errMeaghan E. Beckner; Emily K. Farina; Lauren A. Thompson; Joseph J. Knapik; Stefan M. Pasiakos; James P. McClung; Harris R. Lieberman
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Incoming U.S. Army Basic Combat Trainees Report Lower Dietary Supplement Use Than Active Duty Soldiers
err2026-09-11
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errMaria C. Canino; Stefan M. Pasiakos; Joseph J. Knapik; John A. Caldwell; Meaghan E. Beckner; Emily K. Farina; Lauren A. Thompson; Bridget A. Owens; J. Philip Karl; Lee M. Margolis; Daniel W. Trone; Ryan A. Steelman; James P. McClung; Harris R. Lieberman
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Many Types of Comorbidities Are Associated with Clinically Diagnosed Insomnia in United States Military Service Members
err2026-02-01
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errJoseph J. Knapik; Ryan A. Steelman; John A. Caldwell; Daniel W. Trone; Harris R. Lieberman
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Predicting Performance in a Military Hand-to-Hand Combat Course From Salivary Hormones, Psychological State, and Academic Performance
err2025-08-12
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errMeaghan E. Beckner; Jesse A. Stein; Drew Van Dam; Nicholas Barringer; Tracey J. Smith; Matthew C. Larsen; Joseph J. Knapik; Harris R. Lieberman
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Associations between prescription medications and sleep duration, insomnia, and sleep apnea in US military service members
err2025-07-30
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errJoseph J. Knapik; John A. Caldwell; Ryan A. Steelman; Daniel W. Trone; Harris R. Lieberman
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Differences in Sleep and Mood State Prior to Exposure are Associated With Success and Failure in a High Stress Environment: Special Forces Selection
err2025-04-10
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PREAI
errLieberman, Harris R.; Caldwell, John A.; Farina, Emily K.; Thompson, Lauren A.; Knapik, Joseph J.; Pasiakos, Stefan M.; McClung, James P.
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Insomnia and sleep apnea in the entire population of US Army soldiers: Associations with deployment and combat exposure 2010-2019, a retrospective cohort investigation
err2025-02-01
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errCaldwell, John A.; Knapik, Joseph J.; Kusumpa, Soothesuk; Roy, Tanja C.; Taylor, Kathryn M.; Lieberman, Harris R.
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Longitudinal Changes in Dietary Supplement Use among United States Military Personnel: The US Military Dietary Supplement Use Study
err2024-08-03
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errKnapik, Joseph J.; Trone, Daniel W.; Steelman, Ryan A.; Farina, Emily K.; Lieberman, Harris R.
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Associations between Chronic Medical Conditions and Persistent Dietary Supplement Use: The US Military Dietary Supplement Use Study
err2024-07-12
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errKnapik, Joseph J.; Trone, Daniel W.; Steelman, Ryan A.; Lieberman, Harris R.
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Sex differences in mood, hormone and immune response to combatives training in West Point Cadets
err2024-01-01
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errBeckner, Meaghan E.; Stein, Jesse A.; Lee, Mary R.; Knapik, Joseph J.; Farina, Emily K.; Smith, Tracey J.; Van Dam, Drew; Barringer, Nicholas D.; Larsen, Matthew; Lieberman, Harris R.
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Biomarkers of oxidative stress, diet and exercise distinguish soldiers selected and non-selected for special forces training
err2023-04-11
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errStein, Jesse A.; Farina, Emily K.; Karl, J. Philip; Thompson, Lauren A.; Knapik, Joseph J.; Pasiakos, Stefan M.; McClung, James P.; Lieberman, Harris R.
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Associations between clinically diagnosed medical conditions and dietary supplement use: the US military dietary supplement use study
err2023-02-13
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errKnapik, Joseph J.; Trone, Daniel W.; Steelman, Ryan A.; Farina, Emily K.; Lieberman, Harris R.
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Short sleep duration is associated with a wide variety of medical conditions among United States military service members
err2023-01-01
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errKnapik, Joseph J.; Caldwell, John A.; Steelman, Ryan A.; Trone, Daniel W.; Farina, Emily K.; Lieberman, Harris R.
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Adverse Effects Associated with Multiple Categories of Dietary Supplements: The Military Dietary Supplement Use Study
err2022-10-01
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errKnapik, Joseph J.; Trone, Daniel W.; Steelman, Ryan A.; Farina, Emily K.; Lieberman, Harris R.
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Prevalence of caffeine consumers, daily caffeine consumption, and factors associated with caffeine use among active duty United States military personnel
err2022-04-14
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errKnapik, Joseph J.; Steelman, Ryan A.; Trone, Daniel W.; Farina, Emily K.; Lieberman, Harris R.
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