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NL: Trends in adolescent alcohol use: Effects of age, sex and cohort on prevalence and heritability

Sonntag 14. August 2011 von htm

To determine the effect of age, sex, and cohort on the prevalence and genetic architecture of adolescent alcohol use (AAU). Design Survey study in participants registered with the Netherlands Twin Register. Setting Twins from the general population.
Two cohorts (data collected in 1993 and 2005-8) of twins aged 13-15, 16-17 and 18-21. In 1993 and 2005-8 a total of respectively 3269 and 8207 twins took part.
Survey data on initiation and frequency of alcohol use and quantity of alcohol consumed. …
In the Netherlands, the prevalence of alcohol initiation, frequency and quantity has increased in adolescents over a 15 year period, but there are no changes in the genetic architecture of adolescent alcohol use. (Source: Alcohol Reports, 08/11/11)

Kategorie: Allgemein, Children, consumption, Global, Health, Research, Statistics, Youth | Keine Kommentare »

Greater Religiosity During Adolescence May Protect Against Developing Problem Alcohol Use

Mittwoch 23. Juni 2010 von htm

Phenotypes are measurable and/or observable traits or behaviors. The heritability of an alcohol-related phenotype depends upon the social environment within which it is measured, such as urbanicity, marital status, or religiosity. A new study of the effects of religiosity on the genetic variance of problem alcohol use in males and females has found that religiosity can moderate genetic effects on problem alcohol use during adolescence but not during early adulthood. (Source: Medical News Today, 6/22/10)

Kategorie: Addiction, Allgemein, Global, Health, Prevention, Research, Youth | Keine Kommentare »

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