Attachment and physical health: introduction to the special issue.

Over the last 40 years, researchers have made considerable progress identifying the ways in which attachment security shapes individuals' social and emotional functioning. In recent years, new investigations have shed light on connections between attachment and physiological systems in the body. The goal of this special issue is to focus attention on how attachment may be related to biological markers that relate to physical health, including inflammation, cortisol, and cardiometabolic risk. The papers in this special issue, highlighted in this introduction, demonstrate that these links may exist across the lifespan. We conclude with several examples of extensions of this work might emerge in the years to come.