Related Experiment Videos
Do training-dependent differences in perspiration exist between healthy and atopic subjects?
U M Stern1, O P Hornstein, B Salzer
1Department of Dermatology, University of Erlangen-Nuernberg, Germany.
The Journal of Dermatology
|September 16, 2000
Summary
Healthy males sweat significantly more than females. Individuals with atopic eczema (AE) have reduced sweating capacity compared to healthy controls, regardless of endurance training. This study highlights gender and atopic differences in thermoregulation during physical stress.
Area of Science:
- Physiology
- Dermatology
- Exercise Science
Background:
- Sweating (perspiratio sensibilis) is crucial for thermoregulation, often triggered by physical stress.
- Previous research indicates reduced sweating in atopic individuals, but the impact of endurance training on their perspiration remains unevaluated.
- Sex-dependent differences in sweating are not fully established, and their interaction with atopic status requires further investigation.
Purpose of the Study:
- To investigate sex-dependent differences in sweat production during physical exercise.
- To compare the sweating capacity of healthy individuals with those suffering from atopic eczema (AE).
- To evaluate the effect of a three-week endurance training program on sweat secretion in both healthy controls and AE patients.
Main Methods:
- Participants included age-matched healthy males and females, and males and females with atopic eczema (AE).
- Sweat production was measured during and after 30 minutes of bicycle ergometer exercise using a specialized sweat collector.
- Half of the participants in both groups underwent three weeks of endurance training, with sweat measurements repeated post-training.
Main Results:
- Healthy males exhibited nearly double the sweat production compared to healthy females (p < 0.0016).
- Atopic eczema patients showed significantly lower sweat secretion rates than healthy controls (males: p < 0.0004; females: p < 0.00009).
- Three weeks of endurance training did not significantly alter sweat secretion rates in either healthy controls or AE patients.
Conclusions:
- Significant gender differences in perspiration exist in both healthy individuals and those with atopic eczema, with atopics displaying lower levels.
- Reduced sweating capacity in atopic eczema is evident during physical exertion.
- Standardized physical stress is a recommended prerequisite for future studies on drug-independent perspiration differences.