What is the fine-grained topic of the following text: It’s absolutely enraging that the government is still standing in the way of research into the medical benefits of marijuana since it is still classified as a Schedule I narcotic, which, according to the DEA, means that marijuana is more dangerous and has a higher propensity for abuse than PCP, Methamphetamine, Cocaine, and Opium. Only return the topic.
Government restrictions on medical marijuana research