Precision Medicine, AI and the Science of Personalized Healthcare

CHAPTER 8Pain and Personalized Therapy

Pain is one of the few experiences that unites all of humanity. Whether sharp or dull, fleeting or chronic, pain is an inevitable part of life. Yet, as Amy’s story in the previous chapter illustrates, it remains one of the most misunderstood and mistreated conditions in modern medicine. Although advances in precision medicine have transformed the treatment of things like cancer and heart disease, pain management continues to lag behind, trapped in outdated models and ineffective solutions.

The scale of the problem is staggering. More than 50 million Americans suffer from chronic pain, a number that exceeds those affected by diabetes, heart disease, and cancer combined.¹ For many, pain is not just an inconvenience but a life-altering burden, limiting mobility, eroding mental health, and diminishing quality of life. It is the leading cause of disability in the United States, yet it receives far less attention and funding compared to other chronic conditions.

Despite its prevalence, chronic pain is frequently dismissed by the healthcare system. Many patients are trapped in a frustrating cycle of temporary fixes—opioids, injections, and surgeries—rather than receiving targeted, individualized care. Physicians, like Amy’s primary care provider, often lack specialized training in pain management and may downplay patient complaints or prescribe treatments that fail to address the underlying causes. This failure of the system has left millions ...