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The Science Behind Obnoxious Drunks Revealed

We’ve all got that one friend. The one that after two beers turns into a complete tosser, cracks onto the married woman and ends up getting into a fight. The one you end up stuck with after a big night, rubbing their back mid-vom.

Anchorman

Well, it’s not just their lightweight tendencies that are making them hell to be around drunk, it turns out there might be a genetic link to their behaviour, according to new research published in the journal Translational Psychiatry.

The study, which sought to determine why certain drinkers become excessively, obnoxiously drunk after a small amount of alcohol, found that it comes down to a gene in the serotonin 2B receptor. Apparently, this receptor is linked to impulsive behaviour (and especially occurs in people with mental health issues).

“The results indicate that persons with this mutation are more impulsive by nature even when sober, and they are more prone to impulsive behaviour in general, but especially when drunk,” said researcher Roope Tikkanen, PhD.

Here’s a random fact: 2% of the Finnish population have this mutation, according to Dr. Tikkanen. That means it affects more than 100,000 people in Finland. Apparently, the country’s gene pool is relatively homogenous due to its isolation, so it’s easier for researchers to pinpoint genetic mutation.

So there you have it – an explanation for your mate’s debauchery. Here’s hoping they’re not Finnish as well.

RELATED: Scientists Reveal Drinking Champagne Could Improve Memory

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