Caffeine intake, toxicity and dependence and lifetime risk for psychiatric and substance use disorders: an epidemiologic and co-twin control analysis

K. S. KENDLER ; J. MYERS ; C. O. GARDNER | 2006
Périodique

ENGLISH : BACKGROUND: Although caffeine is the most commonly used psychoactive substance and often produces symptoms of toxicity and dependence ; little is known ; especially in community samples ; about the association between caffeine use ; [...]

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The structure of genetic and environmental risk factors for common psychiatric and substance use disorders in men and women

K. S. KENDLER ; C. A. PRESCOTT ; J. MYERS ; M. C. NEALE | 2003
Périodique

ENGLISH : BACKGROUND: Patterns of comorbidity suggest that the common psychiatric and substance use syndromes may be divisible into 2 broad groups of internalizing and externalizing disorders. We do not know how genetic and environmental risk [...]

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