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Discovering Genes Involved in Alcohol Dependence and Other Alcohol Responses

A host of biological (i.e., genetic) and environmental factors interact throughout the addictive process to influence alcohol use and abuse. These processes are accompanied by a number of behavioral and neural events that include, but are not limited to, changes in the motivational effects of ethanol (both rewarding and aversive), tolerance to some effects of ethanol, and withdrawal when ethanol...

The Emergence, Role, and Impact of Recovery Support Services

Across the different developmental stages of the life course, alcohol and other drugs play an influential role in health, functioning, disease, disability, and premature mortality. A number of different approaches have emerged during the past 60 years to address areas impacted by alcohol and drug use, including formal professional treatment services, but also—in recognition of the need for ongoing...

Stress, Epigenetics, and Alcoholism

Alcoholism is a complex disorder characterized by compulsive alcohol seeking and consumption that also is impacted by related psychiatric states, such as anxiety (Koob 2003; Pandey 2003). Both environmental and genetic factors influence alcohol drinking patterns and may increase susceptibility to the development of alcohol addiction (Cloninger 1987; Crabbe 2002). The presence or development of...

Alcoholic Myopathy: Pathophysiologic Mechanisms and Clinical Implications

Skeletal muscle dysfunction (i.e., myopathy) is common in patients with alcohol use disorder. However, few clinical studies have elucidated the significance, mechanisms, and therapeutic options of alcohol-related myopathy. Preclinical studies indicate that alcohol adversely affects both anabolic and catabolic pathways of muscle-mass maintenance and that an increased proinflammatory and oxidative...