Drug Abuse News and Research

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Study shows drugs work differently in the brains of men and women

A Johns Hopkins discovery could lead to tailored treatments for drug abuse and neurological diseases after providing what is believed to be the first evidence in people that amphetamines have a greater effect on men's brains than women's.

24 Apr 2006

Time for Russians to get serious about HIV/AIDS

Rapidly growing numbers of HIV-infections in Russia has prompted President Vladimir Putin to order officials to do more to inform Russians about the dangers of HIV/AIDS.

24 Apr 2006

Research sheds light on eating disorders, compulsive gambling and drug abuse

Researchers at Harvard Medical School (HMS) report in the April 23 issue of Nature that they have identified neurons that encode the values that subjects assign to different items. The activity of these neurons might facilitate the process of decision-making that occurs when someone chooses between different goods.

23 Apr 2006

New therapy program for women with young children and substance abuse problems

The Mothers' and Toddlers' Program (MTP) broadens the focus of substance abuse treatment to encompass parent-child relationships. The MTP aids mothers to recognize their own, and subsequently their child's, emotional cues aiming to improve the emotional quality of the mother-child relationship and decrease the mother's preoccupation with drugs.

28 Mar 2006

Problem gambling runs in families

Problem gambling runs in families according to a University of Iowa study published online Feb. 24 in the journal Psychiatry Research.

15 Mar 2006

Memory, speed of thinking and other cognitive abilities get worse over time with marijuana use

Memory, speed of thinking and other cognitive abilities get worse over time with marijuana use, according to a new study published in the March 14, 2006, issue of Neurology, the scientific journal of the American Academy of Neurology.

15 Mar 2006

Anabolic steroids flip the adolescent brain's switch for aggression

Anabolic steroids not only make teens more aggressive, but may keep them that way into young adulthood. The effect ultimately wears off but there may be other, lasting consequences for the developing brain.

27 Feb 2006

Steroids trigger long lasting aggression in teens

According to a U.S. study steroids may have a lasting effect on teenagers' brains, and could even flip the adolescent brain's switch for aggression which may last for at least two years.

27 Feb 2006

Drug abuse linked to brain hemmorhage in young adults

A fifth of young adults whose blood vessels ruptured inside their brain abused drugs and more than 40 percent had malformed blood vessels, according to a study reported Feb. 17 at the American Stroke Association's International Stroke Conference 2006 in Kissimmee, FL.

20 Feb 2006

Racial and ethnic differences in nicotine metabolism exist among adolescent smokers

New research by scientists with the National Institute on Drug Abuse (NIDA), National Institutes of Health, suggests that some of the racial and ethnic differences underlying how adults' bodies metabolize nicotine also are at work during adolescence.

23 Jan 2006

Genetics plays a role in drug-seeking behavior

Inbred strains of rats differ in how aggressively they seek cocaine after a few weeks of use, researchers say.

18 Jan 2006

No smoking message fails with teens

According to a recently released survey by the National Institute on Drug Abuse, unless more aggressive action is taken on a federal level, to prevent kids from smoking and curb tobacco marketing, little progress will be made in reducing youth smoking rates.

21 Dec 2005

Innovative economic enhancement and HIV-prevention intervention study

Researchers from the Johns Hopkins Bloomberg School of Public Health have found a new way to address HIV and sexual risk taking among drug-using women involved in prostitution.

5 Dec 2005

Marijuana damages teenage brains

Researchers say that teenagers who regularly smoke marijuana risk damaging a key brain pathway associated with language development and some predisposed to schizophrenia may contract the illness early.

2 Dec 2005

Vaccine that targets nicotine rather than the brain's reaction to it

Since smoking became popular in America in the 1930s, lung cancer rates have continued to climb. Today, it is still the leading cause of cancer-related deaths, with totals more than the other five leading cancers combined.

3 Nov 2005

Environment is a major factor influencing the success of the addiction recovery

New research in monkeys suggests that, although living in an "enriched" environment can make someone less vulnerable to abusing cocaine, once started, extended drug abuse can eliminate the social advantage the abuser originally had.

30 Oct 2005

Morphine withdrawal enhances hepatitis C virus (HCV) replicon expression

Researchers at the University of Pennsylvania have demonstrated that morphine withdrawal complicates hepatitis C by suppressing IFN-alpha-mediated immunity and enhancing virus replication.

30 Oct 2005

Mental health professionals need to be watchful of mental health problems beyond depression in order to prevent youth suicide

WHO researchers examine which mental disorders or combinations of disorders may be most responsible for youth suicide in a new study being released in the October issue of the American Journal of Orthopsychiatry, published by the American Psychological Association (APA).

23 Oct 2005

Long-term smoking linked to diminished mental proficiency

The association between long-term smoking and diminished mental proficiency in 172 alcoholic and non-alcoholic men was a surprising finding from a study that set out to examine alcoholism's long-term effect on the brain and thinking skills.

11 Oct 2005

Association between long-term smoking and diminished mental proficiency

Smokers often say that smoking a cigarette helps them concentrate and feel more alert. But years of tobacco use may have the opposite effect, dimming the speed and accuracy of a person’s thinking ability and bringing down their IQ, according to a new study led by University of Michigan researchers.

10 Oct 2005