: Outside the Western world, cousin marriage remains a preferred practice in many societies in the Middle East, South Asia, and North Africa. Genetic Considerations: Myth vs. Reality
The "kissing cousin" trope is a staple in storytelling, often used for comedic or dramatic effect. Kissin' Cousins
: For first cousins, the risk increases to roughly 6%. While this is a doubling of the baseline, some researchers argue it is not as high as public stigma suggests. : Outside the Western world, cousin marriage remains
: Significant genetic issues, such as those seen in the "Habsburg jaw," typically result from centuries of continuous intermarrying within a small, closed gene pool rather than a single generation. Pop Culture and Media Representations : For first cousins, the risk increases to roughly 6%
: In the 19th-century U.S., a shift began as medical and religious authorities began associating cousin marriage with "idiocy" and genetic defects. This led to many states enacting bans that remain today; 30 states currently prohibit first-cousin marriage.