The document discusses the history and current status of cannabis laws and policies in the United States. It notes that an increasing number of people are using cannabis instead of prescription drugs to treat conditions like chronic pain. While some states have legalized medical or recreational cannabis, it remains a Schedule I drug at the federal level, making research into its medical benefits difficult. The document argues that cannabis policies should be reformed, as cannabis poses fewer health risks than other substances like opioids and has shown medical promise for various conditions. However, changing laws could also potentially increase abuse and availability, especially among youth. More research is still needed to fully understand the public health tradeoffs of cannabis legalization.