It’s the latest weird discovery that probably would not have even occurred to you: scientists have found that those with blue eyes are more likely to be an alcoholic.

In fact, the likelihood expands to those with light-colored eyes, which includes blue as well as green, gray, and maybe even a light brown in the center, according to a Huffington Post report.

A survey of 1,263 European-Americans determined that alcohol dependence was more commonly found in those with lighter colored eyes than those who had dark brown eyes, and those with blue eyes had the very highest rates of dependence on booze. And that is the case even when other variables like age, sex, and genetics are factored into the equation.

Why is this the case? Scientists aren’t quite sure yet, and the subject may require further, more in-depth studies. However, it does provide scientists with an interesting lead and could provide a new place for discovery of what is behind alcohol dependence.

The findings were published in the American Journal of Medical Genetics Part B.

It’s actually not the first time scientists have come to this conclusion. All the way back in 2000, a study conducted at Georgia State University also found that those with light-colored eyes tended to consume more alcohol on average.

Alcohol dependence was determined using multiple factors, including tolerance to alcohol meaning that drinkers would have to up their dosage in order to get the desired effect, withdrawal symptoms, consumption of large amounts of alcohol than had been intended, unsuccessful efforts to cut alcohol use, time spent in activities to obtain alcohol, activities are given up in favor of alcohol, and alcohol is used despite the knowledge that it will make medical conditions worse.