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"The study shows that a significant number of teens reported using alcohol but not marijuana, although almost none of them reported using marijuana but not alcohol," Withers said.
Teens who drank were 40 percent more likely to admit they had gotten a traffic ticket and 24 percent more likely to admit involvement in a traffic crash, the researchers found.
Jan Withers, national president of Mothers Against Drunk Driving, called the findings "very concerning."
The combined use of pot and alcohol could impair teenagers' driving and judgment to a greater degree, Terry McElrath said.
school seniors said they hadn't used either in the past year, compared with 12 percent in 1979.
"But this suggests that it's not only the frequency of substance use that's important," Nike Air Vapormax Plus Triple Grey Terry McElrath said. "The patterns of drug use are also related to the risk of unsafe driving."
It also could be that kids who use both substances at once are more inclined to take risks throughout their lives.
Both drinking and marijuana use among teens have declined over time. In 2011, one third of high Nike Vapormax Girls
But teens who drank and smoked pot at the same time were 90 percent more likely to get a ticket and 50 percent more likely to be in a wreck.
previous 12 months, as well as whether they had been in a car wreck or had gotten a ticket for a moving violation.
They also had a higher risk for tickets or wrecks compared with kids who only drank.
MONDAY, April 28, 2014 (HealthDay News) Teenagers who mix alcohol and marijuana are more likely to be dangerous on the road than teens who use one or the other drug, a new study suggests.
"It's important for parents to have ongoing conversations with their teens about the dangers of underage drinking," Withers said. "These kinds of open, caring conversations about values, rules and consequences can help kids with a variety of decisions about whether or not to engage in risky behaviors. National Institute on Drug Abuse.
Researchers found that previous combined use of alcohol and marijuana further increased a teen's risk of getting a traffic ticket or being in a wreck, as reported in the May issue of the Journal of Studies on Alcohol and Drugs.
"As the parent of a 15 year old, I would take away the keys if I found out she were using either alcohol or marijuana, let alone both," Terry McElrath said.
Teens who used alcohol and marijuana at the same time were about 50 percent to 90 percent more likely to engage in unsafe driving than their peers who didn't drink or smoke pot, the researchers reported.
"Simultaneous use makes a big difference in your risk for unsafe driving," said lead researcher Yvonne Terry McElrath, of the University of Michigan's Institute for Social Research in Ann Arbor. "There's a very clear increase in risk for this group of kids, and for the rest of us on the roads."
About 31 percent of students in 2011 reported that they just drank, while 13 percent said they Nike Vapormax Grey Green
"As you go from alcohol use to alcohol and marijuana use concurrently, your risk increased," Terry McElrath said. "There's a clear stair stepping up the risk process for tickets and warnings."
Teens were asked to report their alcohol or drug use during the Nike Vapormax X Off White
Booze Combo More Dangerous for Teen Drivers Than Alcohol Alone
alternated alcohol and marijuana use. Another 21 percent reported combining pot and alcohol, at least occasionally.
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