CD79A and keratoconus: Maternal postpartum distress correlated with lower s-IgA levels in infants [61], the parent’s intrusive style was associated with children’s inflammation and immune activation [62,63], and maltreatment was linked with blunted s-IgA reactivity to acute psychosocial stress in children and adolescents [64], suggesting that the decrease in parenting stress after KC may enhance immunity.