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Physical activity and oxidative stress during aging.

M C Polidori1, P Mecocci, A Cherubini

  • 1Institute of Gerontology and Geriatrics, Perugia University Hospital, Italy. geriat@unipg.it

International Journal of Sports Medicine
|June 2, 2000
PubMed
Summary

Regular exercise benefits physical and mental health but increases oxidative stress, especially in older adults. More research is needed on antioxidant supplementation for elderly individuals who exercise.

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Area of Science:

  • Gerontology and Exercise Physiology
  • Oxidative Stress and Aging Research

Background:

  • Physical activity offers significant health advantages for all age groups, including mitigating age-related muscle loss and chronic disease risk.
  • Strenuous exercise can elevate reactive oxygen species, potentially overwhelming antioxidant defenses, particularly in the elderly who may have depleted reserves.

Purpose of the Study:

  • To review existing knowledge on the relationship between oxidative stress and physical activity/exercise in aging populations.
  • To evaluate the potential role of antioxidant supplementation in older adults engaging in exercise.

Main Methods:

  • Comprehensive review of experimental, clinical, and epidemiological studies.
  • Analysis of the balance between exercise benefits and risks related to oxidative stress in the elderly.

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Main Results:

  • Exercise provides numerous health benefits but can increase oxidative stress, a concern amplified in aging individuals.
  • Elderly populations are more susceptible to oxidative stress due to factors like poor nutrition and comorbidities.

Conclusions:

  • The interplay between exercise and oxidative stress is critical for the health of aging populations.
  • Further research is essential to determine the efficacy and safety of antioxidant supplementation for older adults who exercise.