{ "item_title" : "The Evolution of the Smile", "item_author" : [" Sandhya Sharma", "Charu Khurana "], "item_description" : "The Evolution of the Smile: From Survival to Significance explores the smile's transformation from a primal survival tool to a powerful cultural symbol. Tracing its roots through evolutionary biology, the book examines how facial muscles, neural pathways, and dental changes shaped human expression. Teeth, central to this evolution, adapted with diet and influenced the social smile. Beyond biology, the meaning of smiling varies across cultures-signaling warmth, masking discomfort, or conveying status. The book delves into the psychology behind smiling, its impact on brain chemistry, and its role in empathy. It also reveals ancient dental practices and today's digital enhancements, questioning authenticity in a curated age. This interdisciplinary journey uncovers how smiling reflects emotion, identity, and our shared humanity.", "item_img_path" : "https://covers1.booksamillion.com/covers/bam/6/20/844/404/6208444047_b.jpg", "price_data" : { "retail_price" : "69.00", "online_price" : "69.00", "our_price" : "69.00", "club_price" : "69.00", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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