This report investigates the consumption of cannabis in Australia, focusing on its psychoactive properties and associated risks among teenagers. It details the constituents of cannabis, such as tetrahydrocannabinol, cannabidiol, and cannabinol, and their effects on mood, behavior, and cognitive abilities. The report highlights the history of cannabis use, its impact on the body, and the risk factors associated with its consumption, including respiratory disorders, mental health issues, and addiction. It also discusses policies related to controlled cannabis consumption in Australia, including the Drug Misuse Regulation Act 1987 and recent modifications decriminalizing possession for adults in the Australian Capital Territory. The report emphasizes the vulnerability of adolescents aged 12-19 to cannabis use and its potential long-term consequences, such as impaired brain development and increased risk of psychosis. The Australian National Council on Drugs (ANCD) efforts to prevent cannabis consumption among high-risk adolescents are also mentioned.