Timo Liukkonen

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BACKGROUND To investigate whether depressive episodes (previous, current single, and recurrent) are associated in both genders with highly sensitive C-reactive protein (hs-CRP) levels, earlier recommended for risk assessment of cardiovascular disease. The impact of the severity of current single and recurrent depressive episodes on this putative association(More)
OBJECTIVE To investigate whether sleep disturbances are associated with C-reactive protein (CRP) levels at the population level. Elevated CRP levels have been found to accompany sleep disturbances, but evidence so far comes only from limited clinical and experimental studies; epidemiological studies are lacking. METHODS We utilized the Northern Finland(More)
BACKGROUND Anxiety frequently accompanies low-grade inflammation-associated conditions like depression, insulin resistance, coronary heart disease and metabolic syndrome. The association between anxiety and low-grade inflammation is, unlike between depression and low-grade inflammation, a very sparsely studied area in general populations. The aim of the(More)
BACKGROUND The aim of the study was to investigate whether exposure to formaldehyde, organic solvents or other chemicals in the wood-processing industry affects the fertility of women. METHODS For this purpose, a retrospective study on time to pregnancy was conducted among female wood workers who had given birth during 1985-1995. Data on pregnancy(More)
Sex-biased dispersal is often connected to the mating behaviour of the species. Even if patterns of natal dispersal are reasonably well documented for monogamous birds, only a few data are available for polygynous and especially lekking species. We investigated the dispersal of the capercaillie (Tetrao urogallus) by examining sex-specific gene flow among(More)
OBJECTIVE Unipolar depression has been found to associate with elevated C-reactive protein (CRP) levels in men, but findings among women have been conflicting. It has been hypothesized that this would be explained by a different hormonal environment (compared with men) and its changes throughout the lifecycle in women, but until now, the corresponding(More)
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