It's biological (aka biological determination). There's the famous study of how judges handed out verdicts based on what or when they ate: https://www.pnas.org

It's biological (aka biological determination). There's the famous study of how judges handed out verdicts based on what or when they ate: https://www.pnas.org/content/108/17/6889 https://www.pnas.org/content/108/17/6889