Humans detect genetic relatives through smell (MHC genes), facial recognition, and childhood co-residence. Modern AI and DNA testing now surpass natural abilities, creating opportunities for family reunification while raising privacy concerns.
Despite billions spent on pheromone perfumes and viral TikTok trends promoting "pheromone maxxing," scientists remain divided on whether humans actually produce or respond to pheromones. While compounds like androstadienone show inconsistent effects in studies, humans lack the functional vomeronasal organ that other mammals use to detect chemical signals. Body odor does influence attraction through MHC genetic compatibility, but this operates through regular smell, not dedicated pheromone pat...
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