Addiction News and Research

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Researchers selectively knock out memory associations connected with receiving cocaine

Addicts crave drugs and suffer relapse not just because of the alluring high of drugs, but also because they are compelled by the powerful, haunting memory associations with the environment surrounding their drug taking. Thus, treatments that could eliminate those memory associations could prove effective in treating addiction, researchers believe.

19 Sep 2005

Genetic basis for susceptibility to alcohol abuse confirmed

A new set of experiments in mice confirms that a brain receptor associated with the reinforcing effects of marijuana also helps to stimulate the rewarding and pleasurable effects of alcohol.

12 Sep 2005

Stress leads to drugs, leads to more stress and more drugs - part of a vicious cycle

According to a new Australian study, opiate drugs such as morphine have been found to leave animals more vulnerable to stress, and this could mean stress and opiates are caught in a vicious cycle.

1 Sep 2005

Opiate drugs such as morphine leave animals more vulnerable to stress

A new study has found that opiate drugs such as morphine leave animals more vulnerable to stress. This means that stress and opiates are in a vicious cycle: Not only does stress trigger drug use, but in return the drug leaves animals more vulnerable to stress.

30 Aug 2005

Teenage drug use can lead to adult addiction and heart attack

A new study from the Howard Florey Institute in Melbourne may help explain why people who experimented with amphetamines, such as 'speed', as teenagers are more likely to become addicted and more susceptible to heart attack following re-use of the drug as adults.

30 Aug 2005

Depressant benzodiazepine especially effective at treating seizure in alcohol withdrawal syndrome patients

Tranquilizers work better than placebos at treating the symptoms of alcohol withdrawal syndrome but they may not work better than other drugs, according to a new review of recent studies.

29 Aug 2005

Neurotransmitter orexin influences reward processing - associated with pleasure and reward pathways in the brain

Researchers at the University of Pennsylvania School of Medicine have discovered that the recently identified neurotransmitter orexin (also known as hypocretin) influences reward processing by activating neurons in the lateral hypothalamus region of the brain.

28 Aug 2005

Quitting heroin under anesthesia is dangerous and ineffective

According to a new study, having a general anesthesia is not an effective way for heroin users to avoid the painful, drawn-out process of breaking their habit and can be dangerous.

24 Aug 2005

Mom and Dad's disapproval a greater deterrant than the law when it comes to drugs and alcohol

Latest survey shows steep rise in students attending schools with access to drugs.

21 Aug 2005

Researchers have found evidence that could explain why people continue to sunbathe

Drop by any beach or swimming pool on a summer day, and you'll probably see people doing something they know is bad for them: getting a tan.

15 Aug 2005

Hangover gene may be to blame for alcohol addiction

By studying the effects of alcohol on fruit flies, scientists have discovered a gene that could lead to alcohol addiction.

11 Aug 2005

Four out of five prisoners test positive for drugs

In a shocking revelation it appears that a third of prisoners in Scottish jails are using drugs at the time of their release.

10 Aug 2005

Endorphin system may hold the key to understanding and treating bulimia nervosa

The role of the brain's opioid receptor system - or endorphin system - may hold the key to understanding and treating bulimia nervosa, according to research reported in the Society of Nuclear Medicine's August issue of the Journal of Nuclear Medicine.

9 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

Researchers reveal secret of key protein in brain and heart function

Brown University biologists have solved the structure of a critical piece of synapse-associated protein 97 (SAP97) found in abundance in the heart and head, where it is believed to play a role in everything from cardiac contractions to memory creation. Results are published in The Journal of Biological Chemistry.

31 Jul 2005

Law to restrict cold medicines well on it's way

A bill that would limit access to common cold medicines containing pseudoephedrine, an ingredient that can be used to make the highly addictive drug methamphetamine, has been unanimously approved by the Senate judiciary committee.

29 Jul 2005

Action of dopamine may be particularly important for understanding psychiatric conditions

Duke University Medical Center researchers have discovered a new mechanism by which chronically high levels of the neurotransmitter dopamine exert their effects on the brain.

28 Jul 2005

Cocaine induces abnormal enhancement of neuronal connections

Researchers working with rats have zeroed in on the brain circuitry mechanism whose disruption contributes to the impulsive behavior seen in users of cocaine as well as other psychostimulant drugs. The same circuitry has been implicated in such disorders as schizophrenia, depression, and post-traumatic stress disorder, wrote the researchers.

21 Jul 2005

Researchers have identified a protein that is crucially involved in how our memories are stored and processed

University of Queensland researchers have identified a protein that is crucially involved in how our memories are stored and processed, paving the way for new strategies to treat conditions certain mental disorders.

18 Jul 2005

Video games can be useful in health care and research

One innovative application of video games in health care is their use in pain management as the degree of attention needed to play such a game can distract the player from the sensation of pain, writes Mark Griffiths, Professor of gambling studies at Nottingham Trent University.

14 Jul 2005