The document discusses arguments for and against lowering the legal drinking age from 21 to 18 in the United States. Key points made include that lowering the age may reduce binge drinking among teens by allowing moderate alcohol use in supervised settings, but could also increase alcohol-related crashes among 18-20 year olds as seen when some states previously lowered their drinking ages. The document also notes personal opinions on both sides and considers related issues like cognitive development and legal adulthood.