News tagged with methamphetamine
(HealthDay)—Half of pregnant teens in substance-abuse treatment programs used alcohol or drugs in the month before they entered treatment. And nearly 20 percent used drugs or alcohol on a daily basis during ...
Pediatrics May 09, 2013 | not rated yet | 0
Scientists at The Scripps Research Institute (TSRI) have reported successful preclinical tests of a new vaccine against heroin. The vaccine targets heroin and its psychoactive breakdown products in the bloodstream, preventing ...
Medical research May 06, 2013 | 5 / 5 (3) | 0 |
A UCLA-led study of adolescents receiving treatment for methamphetamine dependence has found that girls are more likely to continue using the drug during treatment than boys, suggesting that new approaches are needed for ...
Addiction Apr 30, 2013 | not rated yet | 0
Some 2-year-olds whose moms used methamphetamine during pregnancy may have an abnormal response to stressful situations, according to a study in the May issue of the Journal of Studies on Alcohol and Drugs.
Addiction Mar 20, 2013 | not rated yet | 0
University of Florida researchers have found changes in the behavior and in the brains of mice in withdrawal from methamphetamine addiction. These findings may affect the way physicians treat recovering methamphetamine addicts, ...
Medical research Feb 14, 2013 | not rated yet | 0 |
Native Hawaiians and Pacific Islanders have more bleeding strokes at an earlier age than other people independent of methamphetamine abuse, according to research presented at the American Stroke Association's International ...
Cardiology Feb 06, 2013 | not rated yet | 0
It doesn't take a rocket scientist to quickly grasp what a University of Mississippi professor's research could mean to the millions of people addicted to hardcore narcotics such as heroin, cocaine, methamphetamine and morphine.
Addiction Jan 28, 2013 | 5 / 5 (5) | 1
Youth with a deployed military parent or sibling use drugs and alcohol at a higher rate than their peers, finds a new study in American Journal of Preventive Medicine.
Health Jan 18, 2013 | 5 / 5 (1) | 0
(Medical Xpress)—InterveXion Therapeutics LLC and the University of Arkansas for Medical Sciences (UAMS) have successfully completed dosing in the first human safety study of a medication to help methamphetamine users fight ...
Medications Dec 20, 2012 | not rated yet | 0 |
Scientists at The Scripps Research Institute (TSRI) have performed successful tests of an experimental methamphetamine vaccine on rats. Vaccinated animals that received the drug were largely protected from ...
Psychology & Psychiatry Nov 01, 2012 | 3 / 5 (2) | 1 |
(Medical Xpress)—Methamphetamine users' use of synthetic cannabis products (such as Kronic) increased from ten per cent in 2010 to 41 per cent in 2011 an annual report on illegal drug use shows. Many of these synthetic ...
Addiction Oct 18, 2012 | not rated yet | 0
(Medical Xpress)—The party drug mephedrone can cause lasting damage to the brain, according to new research led by the University of Sydney.
Psychology & Psychiatry Sep 19, 2012 | 5 / 5 (2) | 2 |
A new study finds that fruit flies exposed to methamphetamine drastically reduce their food intake and increase their physical activity, just as humans do. The study, which tracked metabolic and behavioral ...
Addiction Aug 01, 2012 | not rated yet | 0 |
Methamphetamine abuse leads to an increase in child abuse and neglect, which causes an increase in foster care admissions, according to a study from Baylor University.
Addiction Jul 02, 2012 | not rated yet | 0
(Medical Xpress) -- A drug shown to help break alcohol addiction can also help recovering methamphetamine addicts stay clean, a study led by University of Virginia School of Medicine researcher Dr. Bankole A. Johnson has ...
Addiction Jun 14, 2012 | not rated yet | 0
Methamphetamine (/mɛθæm'fɛtəmiːn/ also known as metamfetamine (INN), methylamphetamine, N-methylamphetamine, and desoxyephedrine) is a psychostimulant and sympathomimetic drug.
A member of the family of phenylethylamines, methamphetamine is chiral, with two isomers:
The levorotary form, called levomethamphetamine, is an over-the-counter drug used in inhalers for nasal decongestion. Levomethamphetamine does not possess any significant central nervous system activity or addictive properties. The remainder of this article deals only with the dextrorotatory form, called dextromethamphetamine, and the racemic form.
Methamphetamine enters the brain and triggers a cascading release of dopamine, serotonin and norepinephrine. It is highly active in the mesolimbic reward pathways of the brain, inducing intense euphoria, with risk for addiction. To a lesser extent, methamphetamine acts as a dopaminergic and adrenergic reuptake inhibitor with high concentrations serving as a monoamine oxidase inhibitor. Users may become hypersexual or obsessed with a task, thought or activity. Withdrawal is characterized by excessive sleeping, eating, and major depression, often accompanied by anxiety and drug-craving. Methamphetamine users may take sedatives such as benzodiazepines as a means of easing their "come down", anxiety or enable them to sleep.
Methamphetamine has medical uses as well as the potential to cause addiction. Methamphetamine addiction typically occurs when a person begins to use the drug as a stimulant, for its powerful enhancing effects on sex, mood and energy, alertness and ability to concentrate, and weight loss and appetite suppression, among its other psychological and physical effects. Over time tolerance develops, and users have greater difficulty functioning and experiencing pleasure than they did before, which persists indefinitely due to neurotoxicity produced by methamphetamine in long-term recovered addicts.
Nicknames for methamphetamine are numerous and vary significantly from region to region, some common nicknames for methamphetamine include "crank", "meth", "ice", "crystal", "glass", "shabu" or "syabu" (Philippines), "tik" (South Africa), "P" (New Zealand), "piko" (Slovakia), and "yaa baa" (Thailand). Methamphetamine is sometimes referred to as "speed", but this term is generally reserved for regular amphetamine and dextroamphetamine.
For more information about Methamphetamine, read the full article at
This text uses material from Wikipedia and is available under the GNU Free Documentation License.