Empathy is psychologically supported, if that's what you mean? A simple search in Psychology Today online will probably give you a few good articles on the topic with a research trail of various studies that you can read individually.
Everyone is empathic to some degree. But just as some of us have 20/20 vision, some are superior to that, and most are less than perfect, the strength that we feel through empathy varies from person to person. Empathy strength relies on being able to detect, accept, define, and control our own emotions.