Question

which drug has been legalized in some states for use for medical purposes with a prescription?
heroin
cocaine
ecstasy
marijuana

Explanation:

Marijuana has been legalized in some states for medical use with a prescription. It has shown potential in treating certain medical conditions such as chronic pain, nausea, and muscle spasms. Heroin is an illegal and highly addictive opioid with no legal medical use. Cocaine is a powerful stimulant and is illegal for non - medical use. Ecstasy (MDMA) is also an illegal drug, mainly used recreationally and has not been legalized for medical purposes in the context of widespread state - level medical legalization like marijuana.

Answer:

marijuana