Drug Abuse News and Research

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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

New light shed on the causes of drug addiction

A methamphetamine epidemic rages across the United States with addicts blinded by uncontrollable desires for a drug that eventually thrusts them into a dire and catastrophic existence. Doctors don't have any effective treatments for these addicts, or for any other drug addicts; drug addiction is a disease that remains a medical mystery.

4 Oct 2005

Protein found in the brain is genetically linked to alcoholism and anxiety

The researchers studied rats selectively bred for high alcohol preference (P rats), which were found to have high anxiety levels and consume greater amounts of alcohol than alcohol non-preferring (NP) rats.

3 Oct 2005

Nicotine has an unusual psychological property that may drive dependence

Associate Professor Athina Markou, Ph.D., who is in the Scripps Research Molecular and Integrative Neurosciences Department at Scripps Research’s La Jolla Campus, and Paul Kenny, Ph.D., a former Research Associate in her laboratory, report in an upcoming issue of the journal Neuropsychopharmacology that nicotine has an unusual psychological property that may drive dependence.

28 Sep 2005

Parental behavior about smoking affects children

Twelve-year-olds whose parents smoked were more than two times as likely to begin smoking cigarettes on a daily basis between the ages of 13 and 21 than were children whose parents didn't use tobacco, according to a new study that looked at family influences on smoking habits.

28 Sep 2005

First step towards effective drug-addiction therapies

A novel chemical compound that blocks memory-related drug cravings has the potential to be the basis of new therapies to aid drug-addiction recovery efforts, UC Irvine neurobiologists have found.

26 Sep 2005

Human embryonic stem cell lines accumulate changes in their genetic material over time

The findings do not limit the utility of the cells for some types of research or for some future clinical applications, the researchers say, but draw attention to the need to closely monitor stem cell lines for genetic changes and to study how these alterations affect the cells' behavior.

5 Sep 2005

New post-graduate qualification will help counter a world-wide shortage of forensic medicine experts

A new degree designed to equip doctors and scientists with the expertise needed to investigate deaths resulting from acts of genocide, terrorism, natural disasters such as Tsunami, transport accidents and drug abuse will be launched this week at an international Forensic Science conference in Hong Kong.

22 Aug 2005

Drug use among Indiana youth sees biggest drop in years

A new report on alcohol, tobacco and other drug use by the Indiana Prevention Resource Center at Indiana University Bloomington demonstrates a significant downward trend in youth drug use and includes the agency's first compilation of data concerning methamphetamine use and gambling by sixth- through 12th-grade students.

2 Aug 2005

Opiates themselves are superior to sedatives for treating infants born to women who used heroin or methadone while pregnant

Opiates appear to better "ameliorate the withdrawal, facilitate feeding and potentially reduce the likelihood of seizures," according to two new systematic reviews done by David Osborn, a neonatologist at the Royal Prince Alfred Hospital in Sydney, Australia, and colleagues.

26 Jul 2005