José María Martínez-Ortega

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We performed an updated review of the available literature on weight gain and increase of body mass index (BMI) among children and adolescents treated with antipsychotic medications. A PubMed search was conducted specifying the following MeSH terms: (antipsychotic agents) hedged with (weight gain) or (body mass index). We selected 127 reports, including 71(More)
Several studies suggest that caffeine intake is high in patients with schizophrenia and a few of them suggest that caffeine may contribute to schizophrenia symptomatology. None of these studies control for the effect of tobacco smoking, which is associated with induction of caffeine metabolism. Therefore, the high amount of caffeine intake among patients(More)
According to the literature, there is an association between schizophrenia and caffeine consumption, but it is not clear whether schizophrenia is associated with either higher prevalence of daily caffeine intake or the amount consumed. In this study we compared our previously published schizophrenia patients (n=250) with a control sample (n=290) after(More)
In a prior US study, schizophrenia vulnerability was associated with higher risk of initiating daily smoking after 20 years of age. A survival analysis of onset age of daily smoking compared 290 controls with 250 consecutive DSM-IV schizophrenia patients from outpatient facilities at an urban catchment area in Spain. After controlling for gender and(More)
INTRODUCTION The incidence of depression is increasing worldwide. Much is still unknown about the possible role of magnesium in depression prevention and treatment. Magnesium has an effect on biological and transduction pathways implicated in the pathophysiology of depression. The possible role of magnesium in depression prevention and treatment remains(More)
The purpose of this study was to examine the association of smoking and nicotine dependence with psychiatric morbidity, controlling for the potential confounding effect of smoking on the relationship between the use of other substances and psychiatric morbidity. A sample of 290 adults were interviewed at a primary health centre (patients, 58%; patients'(More)
This study examines in daily smokers (1) subjective effects and main reason for smoking after controlling for nicotine dependence level in 100 controls and 173 patients with Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, schizophrenia and (2) the association of specific subjective effects and schizophrenia symptoms. The subjective(More)
Atypical antipsychotics among children and adolescents have been associated with weight gain and dyslipidemia [1], which may be a frequent reason for noncompliance and for the discontinuation of the antipsychotic treatment [2]. An important limitation of observational studies on the effect of antipsychotics is confounding by indication, meaning that(More)
We systematically review factors associated with the presence of psychological distress or common mental disorders in migrant populations. Articles published between January 2000 and December 2014 were reviewed and 85 applying multivariate statistical analysis were selected. Common mental disorders were significantly associated with socio-demographic and(More)
OBJECTIVE Despite the fact that association between winter birth excess and schizophrenia in the northern Hemisphere is well established, possible sex or birth-cohort differences in this winter birth excess remain unclear. We aimed to evaluate sex and birth-cohort differences in the seasonal birth distribution of patients with schizophrenia or(More)