Yener Güzelcan

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Posttraumatic stress disorder (PTSD) has been associated with dysregulation of the hypothalamus-pituitary-adrenal (HPA) axis as well as of the hypothalamus-pituitary-thyroid (HPT) axis. Findings have not been consistent and may depend on methodological issues like controlling for relevant variables. This study examines the levels of six HPA and HPT-axis(More)
Post-traumatic stress disorder (PTSD) has been associated with dysregulation of the neuroendocrine system. In this study we examine the effects of psychotherapy in 21 PTSD patients, with and without coexisting depression, on the levels of six stress-related hormones: cortisol, dehydroepiandrosterone (DHEA), and dehydroepiandrosterone-sulfate (DHEA-S),(More)
BACKGROUND Studies have shown a clear relationship between depressive disorders and vitamin B12 deficiency. Gastroenteritis and Helicobacter pylori infections can cause vitamin B12 deficiency. Helicobacter pylori infections are not uncommon among people of Turkish descent in The Netherlands. AIM To examine the frequency of vitamin B12 deficiency in(More)
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