In the midst of the present coronavirus pandemic, one hears regular reports of people who exhibit no symptoms of COVID-19, but who are capable of spreading the coronavirus infection to others. Asymptomatic (presymptomatic) carriers pose a major obstacle to public health responses to COVID-19—an obstacle underscoring the need for mass testing, tracking, isolation of virus(……)

Over the past two centuries, addiction recovery has been understood as primarily an intrapersonal process, though recent decades have witnessed growing interest in the related concepts of family recovery and community recovery. Technologies to promote recovery have targeted the individual with only token interest in interventions in larger social networks.  Three provocative discoveries challenge this(……)