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Association of low serum total cholesterol with major depression and suicide
T Partonen1, J Haukka, J Virtamo
1Department of Mental Health and Alcohol Research, National Public Health Institute, Helsinki, Finland. timo.partonen@ktl.fi
Background:
It has been suggested that low serum total cholesterol is associated with an increased risk of suicide.
Aims:
To study the association between serum total cholesterol, depression and suicide using versatile, prospective data.
Method:
A total of 29,133 men aged 50-69 years were followed up for 5-8 years. Baseline blood samples were analysed for serum total and high-density lipoprotein cholesterol concentrations. Self-reported depression was recorded, data on hospital treatments due to depressive disorders were derived from the National Hospital Discharge Register and deaths from suicide were identified from death certificates.
Results:
Low serum total cholesterol was associated with low mood and subsequently a heightened risk of hospital treatment due to major depressive disorder and of death from suicide.
Conclusions:
Our results suggest that low serum total cholesterol appears to be associated with low mood and thus to predict its serious consequences.