Incest refers to sexual relations or marriage between close relatives, such as siblings, parents, or cousins. This practice is often considered taboo in many cultures and is illegal in numerous countries due to the potential for genetic disorders in offspring and the disruption of family dynamics. The laws and social norms surrounding incest vary widely across different societies. In some cultures, certain forms of cousin marriage are accepted, while in others, any sexual relationship between relatives is strictly prohibited. The topic raises ethical, legal, and psychological questions, making it a complex issue in both social and legal contexts.