Did you know that the length of your fingers could reveal key clues about your drinking habits?
A recent study, published in ‘American Journal of Human Biology‘, has revealed a surprising connection between the relationship between the index and ring fingers and the propensity to consume alcohol.
Researchers of the Swansea University and the Lodz Medical University (Poland) have discovered that the length of the fourth (ring) finger in relation to the second (index) finger may be a crucial indicator of how prenatal testosterone influences consumption habits.
According to the research, greater exposure to testosterone in utero, compared to estrogen, would be linked to greater alcohol consumption throughout life.
The teacher John Manningfrom Swansea University, and author of the research explains that understanding these hormonal factors is vital to addressing alcohol consumption, a relevant social and economic problem.
The study, conducted with 258 students (169 women), revealed notable differences between genders: men showed higher alcohol consumption and higher mortality rates associated with the abuse of this substance.
Ring finger
The most fascinating finding was that participants with a fourth finger longer than the index finger had a pattern of greater alcohol consumption, suggesting that a prenatal hormonal imbalance could influence drinking behaviors throughout life.
The results were especially evident in men.
This research is part of Professor Manning’s efforts to explore how finger proportions can provide valuable information about a range of human behaviours, from the response to Covid-19 to oxygen consumption in athletes.
This revealing study could transform our understanding of alcohol consumption patterns and open new avenues for the prevention and treatment of dependence.
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