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Smoking 'is down to your genes'

 

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Smoking 'is down to your genes'

Genes determine why some smoke,” according to The Independent, which said that smokers may be able to blame their genes for their addiction.

The news is based on research that identified genetic variants linked to the likelihood of smoking and the number of cigarettes people smoke a day. The well-conducted analysis of several studies has confirmed the associations between smoking behaviour and three genetic variants, two of which had not been identified before. The research also highlighted a complicated causal relationships between the presence of these variants, smoking behaviour and lung cancer, a relationship that the study authors say needs untangling. More …