This paper proposes a novel theory linking the rare genetic disorder porphyria to the evolution of human skin pigmentation. The paper synthesizes medical literature on porphyria's photosensitivity and neurological effects with historical and mythological accounts of therianthropy (e.g., werewolf and vampire folklore). Using the Epic Cognition Theory (ECT) as its core framework, the article argues that porphyria's painful symptoms—triggered by UV radiation and porphyrin accumulation—acted as a "keystone anomaly." This affliction is theorized to have amplified selective pressures on skin color while simultaneously catalyzing a process of symbolic cognition in the human mind. The theory suggests that dreams, myths, and other symbolic narratives functioned as a biological engine of evolution, encoding adaptive behaviors (like UV avoidance) and transmitting them culturally. By drawing parallels from animal biology (seasonal camouflage) and botany (photooxidative stress in plants), the paper demonstrates that these symbolic-biological mechanisms are universal. It re-frames porphyria not as a maladaptive mutation but as a transformative catalyst, positioning it as a nexus of biology, cognition, and myth. This work offers a new paradigm for understanding evolution, where conscious and symbolic processes are central to the adaptive design of a species.
Sedat Büyük (2026) studied this question.