Epigenetics studies changes in gene activity that do not alter our DNA sequence but can influence how our genes work. These changes reflect the interaction between our genetic background, environment, nutrition, stress levels, and daily habits.
One of the most important discoveries in this field is the epigenetic clock — a biological marker that can estimate a person’s biological age based on DNA methylation patterns. Research shows that biological age can differ from chronological age, helping scientists better understand why some people age faster while others maintain health and vitality for longer.
Epigenetic research has also revealed that lifestyle choices can influence aging processes. While genetics contributes to longevity, many factors connected to healthy aging — such as metabolism, stress response, physical activity, sleep, and nutrition — can be supported through targeted lifestyle interventions.
Although scientists are still exploring the full relationship between epigenetics and aging, this field opens new possibilities for personalized longevity strategies, helping people better understand their bodies and take proactive steps toward a longer, healthier life.