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Tag: genes

Genetic Variant Increases Risk of Severe Cocaine Abuse in Whites

Posted on December 27, 2010 in Cocaine

A new study has found that nearly one is five white individuals carries a genetic variant that significantly increases his or her odds of severely abusing cocaine. This variant, which is characterized by tiny gene mutations, changes the brain’s response to the rewarding effects of substances such as cocaine. Ohio State University researchers found that carriers of the variant were more than three times more likely to be susceptible to cocaine abuse, which can lead to overdose and death.

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Genes May Determine Susceptibility to Social Drinking Cues

Posted on July 27, 2010 in Alcohol Addiction

A new study has found that your genes influence the ways in which you respond to environmental social drinking cues such as alcohol advertisements and seeing other people drinking. The study, published in the journal Psychological Science, was conducted by Helle Larsen from Radboud University in the Netherlands and her colleagues.

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Illicit Drug Use among Twins

Posted on February 12, 2010 in Research & News

Scientists are increasingly researching the impact of genetic disposition on substance abuse. Understanding to what extent behaviors are programmed in a person’s DNA may help target individuals for awareness education.

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Research Examines Link between Sexual Abuse and Alcohol Dependence

Posted on February 2, 2010 in Alcohol Addiction

It is well known that exposure to severe stress early in life increases the risk of alcohol and drug addiction. However, researchers at Washington University School of Medicine in St. Louis have found that some adults who were sexually abused as children and therefore at high risk for alcohol problems carry gene variants that protect them from heavy drinking and its effects.

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Artificial Intelligence May Provide Insight into Biology of Addiction

Posted on January 11, 2010 in Drug Addiction Treatment

An artificial intelligence that can automatically plan and execute experiments may soon provide new insights into the biology of addiction to drugs and alcohol. The artificial intelligence (AI) that controls the experiments, called “Eureqa,” could help detect disease organisms or traces of toxic chemicals, said Hod Lipson, associate professor of mechanical and aerospace engineering and computing and information science.

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Cocaine Found to Alter Genes in the Brain

Posted on January 8, 2010 in Drug Addiction Treatment

A new study shows that cocaine not only changes the way you feel and behave—it also changes the way the genes in the brain operate. Maia Szalavitz of TIME writes that understanding this process could eventually lead to new treatments for the 1.4 million Americans who are addicted to cocaine, and millions more around the world.

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Addiction Gene Puts White Females at Risk of Developing Addiction

Posted on September 1, 2009 in Types of Addiction

Scientists at Yale University have identified an “addiction gene” that puts Caucasian women at high risk of alcohol or drug abuse. The findings paves the way for a DNA test that could warn people who might be at risk of becoming dependent on alcohol and/or drugs.

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