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Stress Prevention and Stress Management Techniques IV

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Schizophrenia, a complex psychiatric disorder, has been historically misunderstood. Early psychological theories attributed its origins to childhood trauma and unresponsive parenting. However, contemporary research largely rejects these notions, favoring the vulnerability-stress hypothesis. This model proposes that individuals with a genetic predisposition to schizophrenia may develop the disorder following exposure to significant environmental stressors. Notably, studies on high-risk...
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Related Experiment Video

Updated: May 27, 2026

Rapid Fractionation and Isolation of Whole Blood Components in Samples Obtained from a Community-based Setting
11:31

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Published on: November 30, 2015

Suicidal behavior, smoking, and familial vulnerability.

Jeffrey F Scherrer1, Julia D Grant, Arpana Agrawal

  • 1Research Service (151-JC), St. Louis Veterans Affairs Medical Center, St. Louis, MO, USA. scherrej@psychiatry.wustl.edu

Nicotine & Tobacco Research : Official Journal of the Society for Research on Nicotine and Tobacco
|November 15, 2011
PubMed
Summary
This summary is machine-generated.

Smoking and nicotine dependence are linked to suicidal behavior, but family history does not significantly change this association. This study examined smoking habits and suicidal ideation in offspring, finding a direct correlation independent of familial risk factors.

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Area of Science:

  • Psychiatry
  • Genetics
  • Public Health

Background:

  • Smoking is a known risk factor for suicidal behavior.
  • The role of familial risk factors in this association remains unclear.
  • Understanding these links is crucial for prevention strategies.

Purpose of the Study:

  • To investigate the association between smoking and suicidal behavior in offspring.
  • To determine if familial risk factors mediate the relationship between smoking and suicidal behavior.
  • To analyze gender-specific differences in these associations.

Main Methods:

  • Utilized data from 1,107 twin fathers, 1,919 offspring (ages 12-32), and 1,023 mothers.
  • Modeled familial vulnerability using parental self-reports of nicotine dependence and suicidal behavior.
  • Employed multinomial logistic regression, adjusting for sociodemographics and other psychiatric comorbidities.

Main Results:

  • Regular smoking was associated with increased odds of suicidal ideation with plan in males and suicidal behavior in females.
  • Nicotine dependence significantly correlated with suicidal behavior (ideation + plan + attempt or ideation + attempt) in both genders.
  • Familial risk factors did not significantly alter the association between smoking status and suicidal behavior.

Conclusions:

  • Smoking and nicotine dependence are independently associated with suicidal behavior.
  • Familial risk factors do not appear to mediate the link between smoking and suicidal behavior.
  • Findings highlight the importance of addressing smoking cessation in suicide prevention efforts.