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Marihuana

Adolescent Smoking and Drinking at Historic Lows

Rates of adolescent cigarette smoking and alcohol drinking stood at historic lows in 2011, but marijuana use trended upward, according to the Monitoring the Future (MTF) survey.

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Is Marijuana Medicine?

The use of marijuana to treat various medical conditions—or “medical marijuana”—is a controversial topic and has been for some time. Some people have argued that marijuana’s reported beneficial effects on a variety of symptoms justify its legalization as a medicine for certain patients. Often the potential harm of marijuana use is not considered in these arguments, although risk is part of what the U.S. Food and Drug Administration (FDA) assesses when deciding whether to approve a medicine.

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Elevated Rates of Drug Abuse Continue for Second Year

Illicit drug use in the United States in 2010 was at its highest level since 2002, according to the most recent report from the National Survey on Drug Use and Health. A rise in marijuana use drove the increase. A favorable trend of falling cocaine use continued.

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Home Visits by Nurses to Low-Income First-Time Mothers Yield Enduring Benefits

A program involving home visits by nurses to low-income first-time mothers, starting during pregnancy and extending into the second year of their children’s lives, has a positive and long-lasting impact on families. Children who participated in the program were less likely than others to report having used alcohol, cigarettes, or marijuana at age 12.

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Tobacco Smokers Have High Probability of Transition to Dependence

First-time smokers have a much higher chance of eventually becoming dependent than first-time users alcohol, cannabis, and cocaine.

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Individual Differences in Decisionmaking Style May Predict Teen Problems

Reports on the relative influence of genes versus environment on adolescents’ choices that involve delayed gratification.

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Program Helps Troubled Boys Reduce Substance Abuse

Chronically delinquent boys in Multidimensional Treatment Foster Care reduced their substance abuse more than boys assigned to Community Group Care.

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Cigarette and alcohol use at historic low among teens

Cigarette and alcohol use by eighth, 10th and 12th-graders are at their lowest point since the Monitoring the Future (MTF) survey began polling teenagers in 1975, according to this year's survey results.

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La marihuana

Descripción breve

La marihuana es la droga ilícita de abuso más frecuente en los Estados Unidos. Es una mezcla de color café verdoso de flores, tallos, semillas y hojas secas y picadas de la planta de cáñamo, Cannabis sativa.

Nombres de la calle

A menudo se la conoce como "hierba", "yerba", "mota", "mafú", "pasto", "maría", "monte", "moy" y "café" en español o "pot", "grass", "reefer", "weed", "herb", "Mary Jane" o "MJ" en inglés. Los cigarros de marihuana se conocen como "porros", "canutos" o "churros" en español o "joints" en inglés.

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Toma el reto nacional sobre el coeficiente intelectual (CI) sobre las drogas