Understanding and Overcoming Guilt, Shame, and Anxiety: Based on the Theory of Negative Legacy Emotions

I have spent more than half a century as a psychiatrist and psychotherapist trying to understand human suffering. Why does every single one of us come out of childhood suffering from guilt and shame? Where does anxiety fit in? How much influence does bad parenting have in causing these emotions? How can we limit their painful impact on ourselves, our children, and those we seek to help?