Cited by 99Cardiovascular and exercise physiologyExercise and Physiological ResponsesPhysical Activity and Health

Lack of adequate appreciation of physical exercise's complexities can pre‐empt appropriate design and interpretation in scientific discovery

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Booth, F. W., Laye, M. J.·2009·The Journal of Physiology

Abstract

Two major issues are presented. First, a challenge is made by us that a misunderstanding of physiology has led to incomplete or wrong functional designations of genes in some cases. Normal physiological processes are dynamic, integrated and periodic, and, therefore, it is difficult to define normal physiological function by looking at a single time point or single process in a non‐stressed subject. The ability of the organism to successfully respond to homeostatic disruptions defines normal physiology. Genes were selected for survival and to appropriately respond to stresses, such as physical activity. Omitting gene functions by restricting them to non‐stressful conditions could lead to less than optimal primary preventions, treatments and cures for diseases. Physical exercise, as a stressor, should be used to better demonstrate the complete functional classifications of some genes. Second, the challenge from others of an ‘exercise pill’ as a mimetic of natural physical activity will be shown to be lacking a scientific basis. The concept of an ‘exercise pill’/‘exercise mimetic’ demonstrates an inadequate appreciation of the complexities in integrating cell, tissue, organ and systems during both acute disruptions in homeostasis by a single bout of exercise, and longer‐term chronic adaptations to different types of exercise such as resistance and endurance. It is our opinion that those promoting drugs targeting a single or few molecules should not redefine the term ‘exercise’ and exercise concepts in an attempt to sensationalize findings. Additionally, the scientific criteria that the authors demand to be met to legitimately use the terms ‘exercise pill’ and ‘exercise mimetic’ are presented.

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Crossref · 10.1113/jphysiol.2009.179507

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  1. Physical Activity Guidelines Advisory Committee. Physical Activity Guidelines Advisory Committee Report. Washington: US Department of Health and Human Services; 2008. [DOI] [PubMed] [Google Scholar]

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Authors
Booth, F. W., & Laye, M. J.
Affiliations
  • University of Missouri (US)
  • Rigshospitalet (DK)
Corresponding author
Booth, F. W.
Venue
The Journal of Physiology
Publisher
Wiley
Published
2009-11-30
Volume
587
Issue
23
Pages
5527-5539
ISSN
  • 0022-3751 (ISSN-L)
  • 1469-7793
OpenAlex
W2151689435
Cited by
99
References
74
Citations by year
2026: 5 · 2025: 2 · 2023: 4 · 2022: 7 · 2021: 2 · 2020: 4 · 2019: 6 · 2018: 3 · 2017: 6 · 2016: 3 · 2015: 9 · 2014: 10 · 2013: 9 · 2012: 13
FWCI
1.78
Type
journal article
Language
en
Open access
Locations
  • The Journal of Physiology (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • University of Missouri
  • European Society for Clinical Nutrition and Metabolism
  • National Institutes of Health
  • National Institute on Aging (AG-18780, R01AG018780)
Topics
  • Health Sciences › Medicine › Complementary and alternative medicine › Cardiovascular and exercise physiology
  • Health Sciences › Medicine › Rehabilitation › Exercise and Physiological Responses
  • Health Sciences › Medicine › Physiology › Physical Activity and Health
Keywords
physical activity, exercise mimetics, gene function, physiological stress response, homeostasis, chronic exercise adaptation, resistance training, endurance exercise, single bout exercise, drug development
MeSH terms
Adaptation, Physiological, Adenylate Kinase, Animals, Genetics, Humans, Physical Conditioning, Animal, Public Health, Research Design, Rest, RNA, Messenger, Sports, Protein Biosynthesis, Exercise, Gene Expression, Mice, Knockout, Animals, Genetically Modified, Mice, Drug Discovery

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