Gene-environment interactions occur when different surroundings make it more or less likely for a particular trait or disorder to develop.
The concept of ‘alcogenic’ environments describes features, such as alcohol outlet density or marketing, which influence patterns of alcohol consumption.
A recent study, which analysed longitudinal data of 18–26-year-olds, has examined the link between genetic variation in alcohol problems and the number of alcohol outlets in a community.
The results from the study found that:
- There was evidence to suggest that the extent of genetic and environmental...