THURSDAY, July 13, 2006 (HealthDay News) -- The war against drunk driving is turning high-tech.
Devices that can sense the amount of alcohol in the air around your face or even in your sweat are already on the drawing board, to join current technology aimed at stopping you from getting behind that wheel if you've had too much to drink, researchers say.
"People continue to drive drunk because they can," said Heidi Castle, a spokeswoman for Mothers Against Drunk Driving (MADD). "That's when technology comes into play. Technology has the potential to not allow someone who is intoxicated to operate a motor vehicle. It essentially separates the weapon -- the car -- from the drunk driver."
But even though some technology has been on the market for a generation, impaired driving is still a problem.
Last year, almost 17,000 deaths and half a million injuries were caused by drunk driving crashes in the United States.
One of the featured technologies at a recent MADD symposium was the "ignition interlock," essentially a tube connected to the vehicle ignition. The driver breathes into the tube and, if his blood alcohol concentration (BAC) is over a certain threshold, the system prevents the car from starting.
"This is the gold standard," said Paul Marques, senior research scientist with the Pacific Institute for Research and Evaluation (PIRE), a nonprofit public health research institute.
"As far as deterrents or prevention, this is probably the most common," Castle added.
"We have 20 years' experience with interlock, but it's underutilized," Marques said. "It won't have an impact on impaired driving unless it's used."
The problem in the United States is getting courts to order it.
With 1.4 million DUI arrests every year, no more than 100,000 interlocks are being used. Studies have shown that the device results in a 65 percent reduction in recidivism.
A number of other futuristic technologies are also on the horizon. Among them:
But technology can only do so much to combat drunk driving.
"When you're talking about drunk driving, there's no silver bullet," Castle said. "What we need is a comprehensive solution. One of the main components is law enforcement, but we will likely never have enough police officers on the street to arrest every drunk driver."
Marques added: "Drunk driving is a slowly unfolding tragedy that doesn't get better. Technology can help, but we can't do it without a human program."
More information
MADD has more on drunk driving.