The lesson discussed the important topic of how alcohol impacts the developing teen brain, emphasizing that students in specific grades should be prepared for this material in accordance with their curriculum and maturity levels. It highlighted that between the ages of 12 and 21, the brain undergoes significant developmental changes, making early exposure to alcohol particularly harmful. Students were reminded of the legal restrictions against underage drinking and the potential consequences on their mental and physical health, including the risk of impaired development and increased likelihood of engaging in risky behaviors. Overall, the lesson aimed to increase awareness about the critical impacts of alcohol consumption during these formative years.