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In addition, research has found genetic evidence that humans have had a long evolutionary history to plant neurotoxins. Sullivan et al. (2008) [ 12 ] has noted that humans, like other mammals, have 'inherited' the cytochrome P450 system, which functions to detoxify chemicals found in the environment, including plant neurotoxins.
The common biomolecular mechanisms underlying addiction – CREB and ΔFosB – were reviewed by Eric J. Nestler in a 2013 review. [3] Genetics and mental disorders may precipitate the severity of a drug addiction. It is estimated that 50% of healthy individuals developing an addiction can trace the cause to genetic factors. [4]
Contemporary research in neurobiology (a branch of science that deals with the anatomy, [9] physiology, and pathology of nervous system) of addiction points to genetics as a major contributing factor to addiction vulnerability. It has been estimated that 40–60% of the vulnerability to developing an addiction is due to genetics.
Rat Park was a series of studies into drug addiction conducted in the late 1970s and published between 1978 and 1981 by Canadian psychologist Bruce K. Alexander and his colleagues at Simon Fraser University in British Columbia, Canada.
The following outline is provided as an overview of and topical guide to genetics: . Genetics – science of genes, heredity, and variation in living organisms. [1] [2] Genetics deals with the molecular structure and function of genes, and gene behavior in context of a cell or organism (e.g. dominance and epigenetics), patterns of inheritance from parent to offspring, and gene distribution ...
Substance dependence, also known as drug dependence, is a biopsychological situation whereby an individual's functionality is dependent on the necessitated re-consumption of a psychoactive substance because of an adaptive state that has developed within the individual from psychoactive substance consumption that results in the experience of withdrawal and that necessitates the re-consumption ...
A heroin addict entering a rehab facility presents as severe a case as a would-be suicide entering a psych ward. The addiction involves genetic predisposition, corrupted brain chemistry, entrenched environmental factors and any number of potential mental-health disorders — it requires urgent medical intervention.
Blum originated the term "reward deficiency syndrome". There is no consensus among addiction researchers that empirical evidence exists to justify such a concept. [1] He holds multiple patents relating to genetic testing and treatment for the supposed syndrome that have been licensed through various different corporations.