The sight of gore causes nausea, vomiting, and fainting through a physiological reflex
the verdict
SUPPORTED
the evidence backs this
confidence 86/100
The physiological response to blood, injury, and gore is a well-documented vasovagal reflex characterized by autonomic changes leading to presyncope or syncope.
Evidence for · 2
Predisposition to Vasovagal Syncope in Subjects With Blood/Injury Phobia
2001 · cited by 63
Demonstrates that blood and injury stimuli trigger vasovagal syncope (fainting) through autonomic dysregulation.
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More for · 1
Syncopal reactions in blood donors: Pathophysiology, clinical course, and features.
2024 · cited by 1
Explains that syncopal reactions, including fainting triggered by fear, pain, or emotional distress related to blood or injury, are driven by an exaggerated autonomic response leading to cerebral hypoperfusion.