A New Temporary Tattoo Will Be Able to Tell You When You've Had Way Too Much to Drink

This is one tattoo that will happen before an evening of drunken decision-making.

Every so often we’re out with our friends, and one Dark and Stormy becomes four...five.... By the end of the night, we’re not quite sure how we got home, and the next morning we might wake up to mortifying evidence of texts we really didn’t mean to send our ex. If only someone could've tapped us on the arm the night before and said "um, enough?".

A high-tech new temporary tattoo is designed to do just that. It's a wearable sensor you'd be able to attach to your arm, and it will judge your blood alcohol content based on your sweat. The sensor, designed by researchers at the University of California at San Diego, works much like the paper tattoos we may have pasted on as kids, but this is for more than just decoration: By letting you know how drunk you are when you're not fully aware of it yourself, it can save your night from spinning out of control. A study in the journal ACS Sensors found that the patch does in fact accurately measure blood-alcohol levels.

“I think this patch is a great addition to combating drunk driving and other accidents caused by alcohol consumption. It will quantify the amount of alcohol in a person's system thus eliminating a lack of judgment around it,” Dr. Paul Hokemeyer, an addiction therapist and clinical trauma professional, told The Feast. “By increasing awareness about one's alcohol consumption, people have a better chance of avoiding death and destruction caused by it.”

The sensor promises to be accurate, convenient and quick (you get results in minutes)—not to mention subtle. “Because you  can get alerts via Bluetooth on your phone, it would warn you when your blood alcohol level is high, so you can stop drinking and keep enjoying the event,” Beth Warren, MS, RDN, CDN and author of Living Real Life with Real Food, told The Feast. 

The sensor isn’t on the market yet, but something tells us this is one tattoo parents might actually encourage their kids to get.

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