Written in Pencil, Not Ink: What Twin Studies Reveal About Epigenetics and the Future of Personalized Medicine
Decades of research into identical twins have exposed a striking truth: sharing 100 percent of your DNA does not mean sharing the same biological fate. Epigenetic science is now decoding how environment and behavior rewrite gene expression across a lifetime—and biotech companies are racing to translate those insights into a new generation of targeted therapies and preventive interventions.