Hundreds of millions of people around the world^[1] experience chronic pain ^[2] – meaning pain that lasts longer than three months^[3]. While the numbers vary from country to country, most studies estimate that about 10% of the global population^[4] is affected, so more than 800 million people.

The Centers for Disease Control and Prevention estimates that in 2021, about 20% of U.S. adults – or more than 50 million people...