CLINICAL KNOWLEDGE MAGAZINE
1 min read
The whole truth about sweating... why is it contagious?
Tomasz Jankowski
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Diets Premium Medical Expert • 24.09.2026
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Scientifically reviewed by a clinical dietitian:
This article has been peer-reviewed for adherence to IŻŻ, WHO, and PTGiP clinical nutritional standards.
| CLINICAL KNOWLEDGE MAGAZINE CLINICAL KNOWLEDGE MAGAZINE | min read 1 min |
| Diets Premium Medical Expert Tomasz Jankowski | Scientifically reviewed by a clinical dietitian 24.09.2026 |
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It's the third one.
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Does yawning spread like a contagion among humans? Underlying mechanisms and scientific explanations
Yawning constitutes a physiological reflex that most frequently manifests in states of extreme fatigue, mental exhaustion, or monotonous stimulation. Researchers propose two primary hypotheses regarding its purpose. The first posits that the deep inhalation associated with yawning serves to rapidly enhance cerebral oxygenation, thereby elevating arterial blood pressure and accelerating oxygen delivery to neural tissues. An alternative theory suggests that yawning plays a pivotal role in the body’s thermoregulatory processes—its primary function being to reduce core body temperature, particularly within the central nervous system, including the brain, to prevent overheating. Furthermore, extensive empirical evidence supports the notion that yawning can trigger a chain reaction within social groups. This phenomenon is linked to the activation of so-called mirror neurons, which facilitate the involuntary mimicry of observed behaviors. Witnessing another individual yawn frequently elicits an automatic replication of the reflex. Notably, the degree of emotional proximity to the yawning person significantly amplifies the likelihood of this response in the observer.
Tomasz Jankowski
Diets Premium Medical Expert
Member of the Diets Premium clinical editorial board. Specializes in medical diet therapy, metabolic health, and nutritional planning.
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