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Post-Stimulant Neurovascular-Psychosomatic Response (PSSP): A Case-Based Hypothesis of Dopaminergic-Cholinergic Dysregulation

by Alexander Dimitriev

Posted: July 21, 2025
Server: Preprints.org
DOI: 10.20944/preprints202507.1692.v1

Background: Combined ingestion of caffeine and nicotine may elicit complex neurovascular and psychosomatic responses in susceptible individuals.Methods: A single-subject, self-monitored challenge involving 382 mg caffeine and 9 mg nicotine was performed, with real-time physiological and symptom tracking.Results: The subject developed vasomotor instability, anxiety, sensory hypersensitivity, and a delayed migraine-like state. Re-exposure to nicotine intensified symptoms.Conclusion: These findings suggest a reproducible post-stimulant phenomenon involving dopaminergic-cholinergic dysregulation and inflammatory activation, which may be relevant to psychopharmacology and stress-induced sensitization syndromes.

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