The document discusses the misuse of prescription stimulant drugs like Adderall. It notes that while prescription drugs can help with illnesses and needs when taken as prescribed, misuse by taking larger doses, someone else's medication, or for unintended purposes is problematic. Specifically, it outlines some of the negative health effects of misusing stimulants like increased blood pressure and risk of infectious diseases from needle sharing. Though stimulants can effectively treat conditions like ADHD when taken properly, repeated misuse can lead to side effects ranging from mild like skin issues to more severe like psychosis, aggression or seizures. In total, around 16 million US adults misuse prescription stimulants with potential for death or long term health complications.