Selfishness is a disease? Recent research says it's related to brain structure.

Whether a person is willing to care for others and help others from his heart or not may depend not only on his moral character, but also on his physiological reasons. According to a new study in the French newspaper Figaro, abnormal brain structure can lead to extreme selfishness or selflessness. Abigail Marsh, director of the Laboratory of Emotional and Social Neuroscience at Georgetown University, found that adolescents with psychopathic characteristics, namely apathy towards others, limited self-control and anti-social behavior, had brains when faced with faces of extreme fear. The right amygdala was not activated. If they can't find fear in others, then to some extent, they can't feel fear themselves, and they can't expect them to sympathize with others'fears. The study also found that overactive right amygdala of the brain makes people very sensitive to fear and pain of others. Researchers studied the brains of altruists and found that their right amygdala was larger and more active in front of the face of extreme fear. Abigail Marsh emphasizes that these people are not charitable, polite and enthusiastic altruists in everyday life, but extreme altruists who seek no reward for helping strangers at all costs for generations. She concludes that heroes are heroes not because they are fearless, but because they have strong empathy.