On the basis of observational and experimental evidence. several authors have proposed that contagious yawn is linked to our capacity for empathy. thus presenting a powerful tool to explore the root of empathy in animal evolution. The evidence for the occurrence of contagious yawning and its link to empathy. https://www.roneverhart.com/Terry-s-Milk-Orange-Chocolate-with-Popping-Candy-12-Piece-Case/