Examlex
The psychological or physical dependence on a substance,but without the level of compulsion or increasing need,is known as addiction.
Non-Zero-Sum Helping
A situation in social interactions where an act of help or cooperation benefits both the helper and the recipient, contrasting with scenarios where one's gain is another's loss.
Identical Twins
Twins that are genetically identical because they were formed from a single fertilized egg that split into two, sharing the same genetic material.
Fraternal Twins
Twins that develop from two separate eggs fertilized by two different sperm cells, sharing genetic similarities equivalent to ordinary siblings.
Siblings
Individuals sharing one or both biological parents, often playing significant roles in each other's lives through family dynamics and developmental experiences.
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