The Twin Study: Factors that accelerate facial aging

Abstract

Nature Versus Nurture Identical twins have identical genetic programming. If lifestyle had no impact on aging, twins would age at the same rate. Differences in lifestyle and environment have long been suspected of influencing the pace at which we age, and a study published in Plastic and Reconstructive Surgery by Guyuron et al. (2009) confirms this. Researchers surveyed and photographed 186 sets of identical twins, and an independent panel analyzed the photos. Several factors were then correlate