Why do some people appear older than others at the same chronological age? Researchers at Erasmus University Rotterdam's Faculty of Medicine in the Netherlands have pinpointed a key factor: variants in the MC1R gene. Previously known for influencing skin and hair pigmentation—including red hair—and DNA repair, MC1R now emerges as a contributor to perceived facial aging.
In a rigorous study, scientists analyzed 2,693 natural facial images. A panel estimated the participants' ages, which were then compared to their actual ages. By examining DNA samples, the team identified MC1R mutations as a common thread among those who looked up to two years older. These findings, published in the peer-reviewed journal Current Biology, have been corroborated by two additional European studies.
While further research is needed to develop targeted interventions, experts emphasize the role of epigenetics. Factors like sun exposure and smoking significantly accelerate cellular aging, underscoring the importance of lifestyle choices.
