Addiction News and Research

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Study provides new evidence of the importance of reward pathways in the brain

Deleting a specific gene in the brain has the same effect that antidepressants do in mice that have been conditioned to be depressed, report researchers at UT Southwestern Medical Center.

24 Feb 2006

SRY protein explains why men more likely to develop Parkinson's

Scientists at Prince Henry's Institute, Melbourne, and the University of California, Los Angeles, have discovered that SRY, the male protein that forms the testes is also produced in the brain region affected in Parkinson's disease.

24 Feb 2006

SRY gene directly controls neuronal function in the brain

Shaped by much previous research, the prevailing view regarding sex-specific differences in the brain is that they are caused by circulating sex hormones, which are generated outside the brain and influence certain aspects of brain development, as well as brain function in adults.

23 Feb 2006

Orexin's role in developing addiction

A molecule in the brain essential for wakefulness and appetite has been found to play a central role in strengthening the neuron connections that lead to addiction.

17 Feb 2006

Major Alzheimer's discovery

A team from the Faculty of Medicine at Universiti Laval and the research centre at CHUQ (Centre hospitalier universitaire de Quibec) has discovered a natural defence mechanism that the body deploys to combat nerve cell degeneration observed in persons with Alzheimer's disease (AD).

17 Feb 2006

Potential universal strategy for treating drug addiction

An international research team led by the University of Saskatchewan has discovered a signaling pathway in the brain involved in drug addiction, together with a method for blocking its action, that may point to a single treatment strategy for most addictions.

14 Feb 2006

Girls are catching up with boys in use of illicit substances

Despite commonly held beliefs that boys are at higher risk for using illegal substances, data indicate that girls have caught up with boys in illicit drug and alcohol use and have actually surpassed boys in cigarette and prescription drug use. There are also more girls who are new users of substances than boys.

13 Feb 2006

Research shows brain's ability to overcome pain and thirst

Researchers at Melbourne's Howard Florey Institute have discovered how the brain prioritises pain and thirst in order to survive - a mechanism that helps elite athletes to 'push through the pain barrier'.

30 Jan 2006

Changes in drug use during young adulthood: The effects of parent alcoholism and transition into marriage

The impacts of parental alcoholism in children are well known, particularly the alcohol consumption habits of children of alcoholics (COA's).

25 Jan 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

Bidirectional behavioral plasticity of memory reconsolidation depends on amygdalar protein kinase A

When activated, a specific protein in the brain enhances long-term storage of fearful memories and strengthens previously established fearful memories, Yale School of Medicine researchers report this week in Nature Neuroscience.

23 Jan 2006

Canada gets serious about smoking

Health authorities in Ontario have announced a new study aimed at helping Ontarians quit smoking.

16 Jan 2006

Psychiatric patients who smoke

An editorial in the January 2006 issue of the Psychiatric Bulletin reviews the evidence for the effectiveness of gene-based smoking cessation packages, and asks whether they are appropriate for psychiatric patients.

10 Jan 2006

Alcohol-deterrent drugs help long-term abstinence

Studies investigating the long-term outcomes of alcoholism treatment are rare and inconsistent.

8 Jan 2006

p11 gene may play a key role in depression

For the more than 18 million Americans who suffer from depressive illnesses, the best pharmacological treatments are those that increase levels of serotonin, the brain chemical that regulates mood, sleep and memory.

5 Jan 2006

Chromosome link found between alcohol addiction and smoking

Scientists have found in a study of tobacco users that their drinking behavior is linked to some of the same chromosome regions associated with alcohol addiction.

22 Dec 2005

HIV viral load down T-cells up

In her latest update of the 'Case Health - Health Success Stories' website, Cris Kerr features an HIV health success story.

15 Dec 2005

Caffeine and alcohol addiction similar

According to a new study caffeine loving women with a family history of alcohol abuse will have a hard time kicking the coffee habit when they are pregnant.

5 Dec 2005

Drug stops multiple sclerosis - but sufferers can't get it!

Cris Kerr highlights Naltrexone in her latest issue of 'Case Health - Health Success Stories'.

29 Nov 2005

Exercise in moderation best for the brain

Exercise is good for your physical health. We have known this for a long time. We also know that physical activity is good for the brain and alleviates depression and stress.

28 Nov 2005