If you're left to scream and scream day after day, your levels of cortisol remain high, and you develop a slight immunity to your own stress, so what you find is babies who have been neglected tend to become risk-takers.
If you're left to scream and scream day after day, your levels of cortisol remain high, and you develop a slight immunity to your own stress, so what you find is babies who have been neglected tend to become risk-takers.