Economists have calculated that every dollar invested in high-quality home visitation, day care, and preschool programs results in seven dollars of savings on welfare payments, health-care costs, substance-abuse treatment, and incarceration, plus higher tax revenues due to better-paying jobs. Bessel A. van der Kolk, The Body Keeps the Score: Brain, Mind, and Body in the Healing of Trauma

The Body Keeps the Score by Bessel van der Kolk