These videos explore the cultural history and linguistic nuances of 'kissing cousins': Kissing Cousins | Ancestral Findings Podcast YouTube · Ancestral Findings

: 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.

: Children of unrelated parents have a 3% risk of congenital defects.

: Shows like 30 Rock and The Nanny have utilized the "accidentally dating a cousin" plotline to create humorous social friction.

: Elvis Presley famously starred in the 1964 musical film Kissin' Cousins , where the title track lightheartedly suggests that a "distant cousin" is fair game for romance.