The Influence of Secular Trends in Body Height and Weight on the Prevalence of Overweight and Obesity among Chinese Children and Adolescents.

Objective: To explore the influence of secular trends in body height and weight on the prevalence of overweight and obesity among Chinese children and adolescents.

Methods: The data were obtained from five cross-sectional Chinese National Surveys on Students' Constitution and Health. Overweight/obesity was defined as BMI-for-age Z-score of per the Wold Health Organization (WHO) reference values.

Older age at first birth is a risk factor for pancreatic cancer: a meta-analysis.

Background: Some studies found that age at first birth is associated with pancreatic cancer; others did not. The present meta-analysis was to evaluate the relationship between age at first birth and pancreatic cancer in women.

Data Sources: We searched PubMed, Embase, and the Cochrane Library for relevant publications on age at first birth and pancreatic cancer up to April, 2014.

The Efficacy of Couple-Based Interventions on Health-Related Quality of Life in Cancer Patients and Their Spouses: A Meta-analysis of 12 Randomized Controlled Trials.

Background: Couple-based interventions on health-related quality of life (HRQoL) of cancer patients and their spouses have received increasing attention in recent years, but the findings of previous studies are inconsistent.

Objective: The aim of this study was to investigate the effects of couple-based interventions on the HRQoL of cancer patients and their spouses using a meta-analysis approach.

Method: English- and Chinese-language publications were collected from PubMed, EBSCO, EMBASE, CMB, and CNKI.

Combined intervention with education and progressive muscle relaxation on quality of life, functional disability, and positive symptoms in patients with acute schizophrenia.

Objectives: To explore the effects of combined intervention with education and progressive muscle relaxation (PMR) on quality of life (QoL), functional disability, and positive symptoms of patients with acute schizophrenia.

Methods: This randomized controlled study took place in an acute schizophrenia ward in Changsha, China. Sixty-four patients with acute schizophrenia were randomly assigned to four groups: control, education, PMR, and education plus PMR.

Consumption of vegetables may reduce the risk of liver cancer: results from a meta-analysis of case-control and cohort studies.

Purpose: We conducted a meta-analysis of all published case-control and cohort studies to evaluate the relationship between vegetables intake and liver cancer risk.

Methods: We searched for cohort and case-control studies published before February 2014, using Pubmed and Cochrane Library Central database. Pooled relative risk (RR) estimates and corresponding 95% confidence interval (CI) were calculated using the inverse-variance method.