What is the first aspect affected by alcohol consumption when driving?

The first aspect affected by alcohol consumption when driving is judgment. Alcohol impairs an individual's ability to make decisions and assess situations accurately. When consumed, it can alter how one perceives risk and danger, leading to poor choices behind the wheel, such as speeding or engaging in reckless driving behaviors. This impairment can significantly affect one's ability to evaluate conditions, such as traffic patterns and road hazards, which are crucial for safe driving. While other functions like coordination, reaction time, and vision are also impaired as alcohol consumption increases, the initial impact on judgment is what makes it particularly dangerous. When drivers cannot properly assess risks, they are more likely to engage in dangerous behaviors without understanding the potential consequences.