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Age-dependent changes in temperature regulation - a mini review
1Department of Physiology, College of Medicine, University of Tennessee Health Sciences Center, Memphis, 38163, USA. cblattei@uthsc.edu
Gerontology
|November 17, 2011
Summary
Older adults have reduced body temperature regulation and tolerance to heat and cold due to age-related physiological changes. Maintaining core body temperature is vital for survival, especially in extreme environments.
Area of Science:
- Gerontology
- Physiology
- Thermoregulation
Background:
- Aging is associated with decreased body temperature and limited tolerance to thermal extremes.
- Thermoregulation involves multiple body systems, including cardiovascular and respiratory systems, which naturally decline with age.
- Age-related physiological changes can significantly impair the body's ability to maintain thermal homeostasis.
Purpose of the Study:
- To describe age-associated physiological changes affecting thermoregulation in older adults.
- To highlight the impact of these changes on the ability of seniors to maintain body temperature in hot or cold environments.
Main Methods:
- Review of physiological functions affected by aging.
- Analysis of how age-related changes impact thermoregulatory capacity.
- Examination of unavoidable deficits like skin and metabolic alterations.
Main Results:
- Older individuals exhibit lower body temperatures and reduced tolerance to thermal extremes compared to younger people.
- Deterioration of systems like cardiovascular and respiratory functions impacts overall thermoregulation.
- Structural skin changes and metabolic alterations are unavoidable deficits affecting thermal homeostasis in the elderly.
Conclusions:
- Age-related physiological decline compromises the ability of seniors to maintain core body temperature.
- Thermoregulatory deficits in the elderly can threaten survival, particularly during exposure to environmental thermal stress.
- Interventions like fitness training may mitigate some age-related thermoregulatory decrements, but some changes are irreversible.
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