5 Strange Facts About Redheads You Never Knew

Redheads have a higher rate of gynecological cancers

According to a large review published in PLOS One in 2017, female redheads have a higher risk of gynecological cancers, such as cervical, uterine and ovarian cancer. The authors of the study speculated that the increased risk was related to being exposed to higher levels of estrogen before birth (prenatal estrogen influences not only the emergence of certain medical conditions, but also the development of certain hair and eye colors, particularly red hair).