CONTEXT: The results from epidemiologic studies on the intake of dietary vitamin B1, B2, B6, and B12 and association with risk of developing depression have been inconsistent. OBJECTIVE: The purpose of this systematic review and meta-analysis was to summarize the existing evidence and synthesize ...

BACKGROUND: There is conflicting evidence from previous qualitative reviews on the effect of vitamin D supplementation on pain. OBJECTIVE: To determine with quantitative methods if vitamin D supplementation lowers pain levels. STUDY DESIGN: Quantitative meta-analysis of published randomized contr...

OBJECTIVE: Pain-related conditions, such as chronic widespread pain and fibromyalgia, are major burdens for individuals and the health system. Evidence from previous research on the association between circulating 25-hydroxyvitamin D (25(OH)D) concentrations and pain is conflicting. Thus, we aime...

Based on a literature review, the purpose is to identify the main therapeutic approaches for the compulsive buying disorder, a present time disorder characterized by excessive and uncontrollable concerns or behaviors related to buying or expenses, which may lead to adverse consequences. The syste...

Background: There is a high prevalence of depressive disorder and depressive symptoms among advanced, incurable cancer patients. Patients commonly report a preference for non-pharmacological treatments such as psychotherapy over pharmacological treatments for depression. The objective of this rev...

Objective: To examine the clinical benefit, the harm and the cost-effectiveness of psychotherapies in comparison with no treatment, waiting-list controls, attention-placebos, and treatment as usual in depressed youths. Method: Meta-analyses were undertaken by using data from all relevant rando...

Objective: To provide a brief and comprehensive summary of the recent evidence from clinical trials testing psychotherapeutic interventions in patients with fibromyalgia with particular interest in their possible effect on physical pain. Methods: Bibliographical search was performed in PubMed,...

Background: Posttraumatic stress disorder (PTSD) is common in patients with personality disorders. This comorbidity is accompanied by a lower quality of life, and a higher risk of suicide attempts than patients with only one of these diagnoses. Objective: The aim of this systematic review and met...

Background: There is controversy about whether psychotherapies are effective in the treatment of subclinical depression, defined by clinically relevant depressive symptoms in the absence of a major depressive disorder. Aims: To examine whether psychotherapies are effective in reducing depressi...

Abstract Posttraumatic stress disorder (PTSD) is often a clinically complex disorder, frequently presenting with comorbid clinical conditions. Individuals with PTSD may also present with high-risk symptoms such as substance misuse and suicidal ideation. The clinical complexity of PTSD has preclu...