Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Mark of Cain
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
Mark of Cain: There is no widely accepted designation for "the mark of Cain"; it may refer to a sinful nature or even to a dark skin color.