Q The moment I start a presentation at work, my face and neck turn red and hot. It is not even warm in the room, so why does this happen?
A The moment you tense up, the autonomic nervous system activates and briefly widens the blood vessels in your face. Your body temperature has not actually risen; blood flow is simply redirected there by a nerve response, and it usually settles once the moment passes.
Detailed Answer
In tense or anxious moments, the sympathetic nervous system fires quickly and the blood vessels in the face and neck widen for a short time. Your core temperature has not changed; this is a nerve-driven shift in blood flow, and some people simply show it more visibly in the face. If it keeps happening in specific situations, such as presentations, interviews, or meeting new people, that points to an autonomic system that reacts strongly to those particular triggers.
Korean Medicine Clinic Perspective
Korean medicine describes energy that cannot settle downward under tension and instead rises upward as "rising heat." When this happens in a recurring, situation-specific pattern, rather than simply cooling the flush after the fact, we work with acupuncture and herbal medicine matched to your constitution to even out the flow of energy so the reaction itself becomes milder over time.
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