The Greater Good Science Center is one of the best aggregators of research on forgiveness and they provide it an easily comprehendible form. We recommend this section which includes headings for “What Is Forgiveness?”, “Why Practice It?”, and “How Do I Cultivate It?”
Everett Worthington, a leading researcher on the science of forgiveness, has a plethora of resources available at his website.
It is hard to let go of wrongdoing and to make it right. We need help. That help can come in many forms. Of course, it begins with Scripture and the Holy Spirit working in us and the saints that support us. But it may also come in the form of . . . science? Yes, science.