A genetic analysis of coffee consumption in a sample of Dutch twins.

@article{Vink2009AGA,
  title={A genetic analysis of coffee consumption in a sample of Dutch twins.},
  author={Jacqueline M. Vink and Annemieke S. Staphorsius and Dorret I. Boomsma},
  journal={Twin research and human genetics : the official journal of the International Society for Twin Studies},
  year={2009},
  volume={12 2},
  pages={127-31}
}
Caffeine is by far the most commonly used psychoactive substance. Caffeine is consumed regularly as an ingredient of coffee. Coffee consumption and coffee preference was explored in a sample of 4,495 twins (including 1,231 pairs) registered with the Netherlands Twin Registry. Twin resemblance was assessed by tetrachoric correlations and the influence of both genetic and environmental factors was explored with model fitting analysis in MX. Results showed moderate genetic influences (39%) on… CONTINUE READING

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