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Mental effect of cholesterol in males: protective effect?
Shuji Soeda1, Takeshi Terao, Noboru Iwata
1Departments of Psychiatry, University of Occupational and Environmental Health, School of Medicine. 1-1, Iseigaoka, Kitakyushu, 807-8555, Japan.
Journal of Affective Disorders
|February 7, 2006
Summary
Very low cholesterol is linked to poorer mental health in men, according to a Japanese study. Moderate cholesterol levels may protect male mental health, while the association differs in women.
Area of Science:
- Neuroscience
- Epidemiology
- Public Health
Background:
- While low cholesterol benefits physical health, emerging evidence suggests potential negative impacts on mental well-being.
- Previous studies indicate a possible association between cholesterol levels and mental health outcomes.
Purpose of the Study:
- To investigate the relationship between cholesterol levels and mental health in a Japanese employee cohort.
- To determine if very low cholesterol is associated with increased mental health issues.
Main Methods:
- An observational study involving 1972 Japanese employees from 1995 to 2002.
- Data collected via questionnaires on lifestyle factors and mental health (General Health Questionnaire-12).
- Comparison of mental health outcomes (GHQ caseness) between a very low cholesterol cohort (<150 mg/dL) and a control cohort.
Main Results:
- The very low cholesterol cohort exhibited significantly higher rates of mental health issues (GHQ caseness) compared to the control cohort.
- This association was statistically significant in males but not in females.
- Cox regression analysis, adjusted for general health, confirmed the link between very low cholesterol and poorer mental health specifically in males.
Conclusions:
- Very low cholesterol levels are associated with worse mental health outcomes in males.
- Moderate cholesterol levels may offer a protective effect on male mental health.
- The study highlights a sex-specific relationship between cholesterol and mental well-being.
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