“…The bulk of research on health and stress has focused on distress (Loving & Wright, 2012; Nelson & Cooper, 2005), but eustress has received increasing attention in recent years, particularly among those studying early-stage passionate love. The process of falling passionately in love triggers a wide range of physiological responses, including elevated levels of circulating cortisol (Marazziti & Canale, 2004), heightened levels of the neurotrophin nerve growth factor (Emanuele, 2011; Emanuele et al, 2005), and activation of the anteromedial caudate and ventral tegmental regions of the brain, which are typically associated with the reward-motivation system (Aron et al, 2005; Fisher et al, 2005).…”