Normal individuals who scored high on a measure of impulsive/antisocial traits display a hypersensitive brain reward system, according to a brain imaging study by researchers at Vanderbilt University.
WASHINGTON -- Fueled by increases in marijuana use, the rate of eighth-graders saying they have used an illicit drug in the past year jumped to 16 percent, up from last year's 14.5 percent, with daily marijuana use up in all grades surveyed, according to the 2010 Monitoring the Future Survey (MTF
Every year, the Monitoring the Future (MTF) survey measures drug, alcohol, and tobacco use and related attitudes among 8th, 10th, and 12th graders. Following are facts and statistics about youth substance use from the 2012 MTF report.
National estimates on drug-related visits to hospital emergency departments (ED) are obtained from the Drug Abuse Warning Network (DAWN),1,2 a public health surveillance system managed by the Substance Abuse and Mental Health Services Administration (SAMHSA), U.S. Department of Health and Human Services (HHS). DAWN data* are based on a national sample of general, non-Federal hospitals operating 24-hour Emergency Departments (EDs).
Prescription Opioid Abuse: A First Step to Heroin Use?
Prescription opioid pain medications such as Oxycontin and Vicodin can have effects similar to heroin when taken in doses or in ways other than prescribed, and they are currently among the most commonly abused drugs in the United States. Research now suggests that abuse of these drugs may open the door to heroin abuse.
La heroína es una droga opiácea hecha a partir de la morfina, una sustancia natural que se extrae de la bellota de la amapola, también conocida como “adormidera asiática”. La heroína suele presentarse en forma de polvo blanco o marrón, o como una sustancia negra y pegajosa conocida como “alquitrán negro”.
Hallucinogenic compounds found in some plants and mushrooms (or their extracts) have been used—mostly during religious rituals—for centuries. Almost all hallucinogens contain nitrogen and are classified as alkaloids. Many hallucinogens have chemical structures similar to those of natural neurotransmitters (e.g., acetylcholine-, serotonin-, or catecholamine-like).
El abuso de drogas puede ocurrir en cualquier etapa de la vida de una mujer. Sin embargo, aproximadamente la mitad de las mujeres que usan drogas ilícitas se encuentran en edad de procrear, o sea, tienen entre 15 y 44 años de edad. En 1992 y 1993, NIDA condujo una encuesta en los hospitales de toda la nación para determinar las proporciones del abuso de drogas entre mujeres embarazadas en los Estados Unidos. Todavía esta Encuesta nacional sobre el embarazo y la salud* es la que ofrece los datos más recientes que tenemos a nuestra disposición.
El abuso de drogas y la adicción han estado íntimamente ligados al VIH/SIDA desde el comienzo de esa epidemia. El vínculo está relacionado con un mayor riesgo tanto de contraer como de transmitir el VIH y de sufrir consecuencias más graves.
MDMA (3,4-methylenedioxy-methamphetamine), popularly known as ecstasy, is a synthetic, psychoactive drug that has similarities to both the stimulant amphetamine and the hallucinogen mescaline. It produces feelings of increased energy, euphoria, emotional warmth and empathy toward others, and distortions in sensory and time perception.
MDMA was initially popular among White adolescents and young adults in the nightclub scene or at “raves” (long dance parties), but the drug now affects a broader range of users and ethnicities.
