Case note data were obtained for 186 elderly primary care attenders who also completed the 15 item Geriatric Depression Scale (GDS15). The presence or absence in the case notes of a current or past diagnosis of depression, of current treatment of depression, and of a number of clinical features of depression were noted. Case notes were also rated for the presence or absence of contraindications...

conclusions the initial assumption of a relationship between vitamin d and high prevalence of seasonal affective disorder in winter was based on the high prevalence of depression on high latitudes. although some studies have shown an association between depression and vitamin d deficiency, it still cannot be indisputably concluded that augmenting the levels of vitamin d alone alleviate depressi...