Title

Physical activity and health: “What is old is new again”

Date of this Version

2015

Document Type

Journal Article

Publication Details

Citation only

Hills, A. P., Street, S. J., & Byrne, N. M. (2015). Physical activity and health: “What is old is new again”. Advances in Food and Nutrition Research , 75, 77-95.

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2015 HERDC submission

© Copyright, 2015 Elsevier Inc.

ISSN

1043-4526

Abstract

Much recent interest has focused on the relationship between physical activity and health and supported with an abundance of scientific evidence. However, the concept of Exercise is Medicine™copromoted by the American College of Sports Medicine and American Medical Association and similar august bodies worldwide is far from new— the importance of exercise for health has been reported for centuries. Participation in regular physical activity and exercise provides numerous benefits for health with such benefits typically varying according to the volume completed as reflected by intensity, duration, and frequency. Evidence suggests a dose–response relationship such that being active, even to a modest level, is preferable to being inactive or sedentary. Greatest benefits are commonly associated with the previously sedentary individual assuming a more active lifestyle. There is an apparent linear relationship between physical activity and health status and as a general rule, increases in physical activity and fitness result in additional improvements in health status. This narrative review provides a selective appraisal of the evidence for the importance of physical activity for health, commencing with a baseline historical perspective followed by a summary of key health benefits associated with an active lifestyle.

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This document has been peer reviewed.