Excessive exercise and immunity: The J-shaped curve

Carolina Chamorro-Viña; Maria Fernandez-Del-Valle; Anna M. Tacón

doi:10.1007/978-1-4614-8884-2_24

Excessive exercise and immunity: The J-shaped curve

Carolina Chamorro-Viña, Maria Fernandez-Del-Valle, Anna M. Tacón

Kinesiology and Sport Management

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

7 Scopus citations

Abstract

Exercise modulates the innate and specific arms of the immune system with a marked intensity-dependent response. This response might be influenced by sex differences and other factors including age, nutrition status, and overall level of psychological stress. Exercise immunology is the field that studies this area. In the 1990s, Dr. Nieman formulated the controversial “J-shaped hypothesis” to describe the relationship between exercise intensity and the risk of acquiring upper respiratory tract infections (URTI). This hypothesis suggests that moderate exercise has the ability to improve immune function above sedentary levels while high intensity exercise depresses the immune system. However, some methodological problems exist in studies of the J-curve which makes evidence more anecdotal than evidence-based regarding the role of moderate and intense exercise in the incidence of URTI. These limitations are presented in the chapter.

Original language	English
Title of host publication	The Active Female
Subtitle of host publication	Health Issues Throughout the Lifespan, Second Edition
Publisher	Springer New York
Pages	357-372
Number of pages	16
ISBN (Electronic)	9781461488842
ISBN (Print)	9781461488835
DOIs	https://doi.org/10.1007/978-1-4614-8884-2_24
State	Published - Jan 1 2014

Keywords

Dietary supplements and exercise
Exercise
Female athletes
Immune system
J-Curve
Upper respiratory tract infection

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10.1007/978-1-4614-8884-2_24

Cite this

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Excessive exercise and immunity: The J-shaped curve

Abstract

Keywords

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