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Curr Opin Genet Dev. 2007 Jun;17(3):234-8. Epub 2007 Apr 30.

Tuning major gene variants conditioning human behavior: the anachronism of ADHD.

Author information

1
Medical Genetics Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD 20892-1852, USA. marcosbu@mai.nih.gov

Abstract

New findings suggest that attention deficit and hyperactivity disorder (ADHD) is the most common behavioral variant associated with a mental condition. ADHD prevalence reaches figures of 18% in populations worldwide. Furthermore, genetic variants conferring susceptibility to develop ADHD are not rare but very frequent and eventually totally fixed in some populations. These patterns of evolution can be associated with the fact that this behavioral trait had provided selective advantage. However, this behavioral trait is now under scrutiny because of new emerging social necessities. Recent molecular and clinical evidence supports Thom Hartmann's Hunter-Farmer theory, reaffirming that ADHD might be an anachronic behavioral trait.

PMID:
17467976
DOI:
10.1016/j.gde.2007.04.011
[Indexed for MEDLINE]
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