Why is hair of the dog so effective?

Answered by Randall Whitlock

As an expert sommelier and brewer, I can provide insights into the effectiveness of the age-old remedy known as “hair of the dog.” While there are no solid scientific studies assessing its efficacy, the theory behind it offers some explanation.

Hangover symptoms are primarily a result of the body breaking down and its byproducts to eliminate them from the system. These byproducts, such as acetaldehyde, can cause inflammation, dehydration, and other unpleasant symptoms. The idea behind “hair of the dog” is that raising alcohol levels in the body again by drinking more alcohol would alleviate these symptoms.

One possible reason for the perceived effectiveness of this remedy is the interaction between alcohol and neurotransmitters in the brain. Alcohol affects various neurotransmitter systems, including dopamine, gamma-aminobutyric acid (GABA), and glutamate. By drinking more alcohol, it is possible that these systems are temporarily balanced or stimulated, leading to a reduction in hangover symptoms.

Moreover, alcohol has vasodilatory effects, meaning it can widen blood vessels and increase blood flow. This can help alleviate headaches, which are a common hangover symptom. By consuming more alcohol, the vasodilatory effects may counteract the vasoconstriction that can contribute to headaches.

Another aspect to consider is the psychological component of “hair of the dog.” Hangovers often come with feelings of regret, discomfort, and even anxiety. By having another drink, individuals may experience a temporary relief from these negative emotions, providing a placebo-like effect.

However, it is essential to note that the “hair of the dog” approach is not a true cure for a hangover. It merely masks the symptoms temporarily and does not address the underlying cause. Additionally, relying on alcohol to alleviate hangover symptoms can lead to a dangerous cycle of dependence and potential alcohol abuse.

Personal experiences and anecdotes vary widely when it comes to the effectiveness of “hair of the dog.” Some individuals claim that it provides immediate relief, while others find it worsens their symptoms or prolongs their hangover experience.

The effectiveness of “hair of the dog” as a hangover remedy is still uncertain. The limited understanding of its mechanisms and the potential risks associated with increased alcohol consumption suggest that it is not a reliable or recommended solution. Instead, it is advisable to prioritize prevention, moderation, and responsible drinking practices to avoid or minimize the discomfort of a hangover.