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This paper proposes a structured protocol for using conscious, deliberate smiling (“sorriso”) in workplace and educational settings to lower physiological stress markers and enhance prosocial behavior. Building on existing psychoneuroendocrinology research, the protocol requires no technology or funding, making it universally applicable.
The Sorriso Protocol: A Low-Cost Behavioral Intervention for Reducing Cortisol and Improving Social Bonding in High-Stress Environments
