In a study published in the American Journal of Medical Genetics, participants with blue eyes had an 83% higher risk of being alcohol dependent compared with brown-eyed folks. Subsequent genetic ...

Blue eyes are caused by a gene mutation ... This person lived more than 6,000 years ago and carried a genetic mutation that has now spread across the world. The exact cause remains to be ...

(There are outliers, however. A 2024 genetic analysis showed a 1-year-old boy who lived in Europe about 17,000 years ago had dark skin, dark hair and blue eyes.) The genetic basis for lighter skin ...