How is heavy alcohol use defined?

The definition of heavy alcohol use is typically characterized by a specific frequency and quantity of drinking. Option B, which states "5 or more drinks on 5 or more days," aligns with established guidelines for defining heavy alcohol consumption. This measurement reflects a pattern of drinking that can lead to an increased risk of alcohol use disorders and other health issues.

The rationale behind this definition is rooted in how alcohol consumption can affect health over time. Consuming five or more drinks on multiple occasions within a week indicates a consistent and potentially problematic behavior, distinguishing it from moderate or occasional drinking.

Other options present varying criteria, such as fewer days of consumption or different quantities, which may not accurately capture the extent of heavy drinking behaviors as defined by health authorities. Hence, the choice that includes both the frequency and the amount effectively identifies heavy alcohol use and its associated risks.