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Waist an important factor in defining obesity

A study from the University of Iowa has found that some people considered to be a normal weight could unknowingly be at high risk for obesity-related health issues. The research notes that a subgroup of people who are considered to be normal weight as measured by BMI could actually be at high risk for death because of their waist size.

Quarter of patients have never had BMI recorded by GP

New research presented at this year's European Congress on Obesity (ECO) in Glasgow, Scotland, has revealed that a quarter of patients have never had their BMI recorded by their GP. The study was conducted by Kath Williamson and Professor Mike Lean of the Department of Human Nutrition and Dr Amy Nimegeer of the Institute of Health and Wellbeing, University of Glasgow, UK.

Excess body weight associated with pancreatic cancer mortality

Excess weight before age 50 may be more strongly associated with pancreatic cancer mortality risk than excess weight at older ages, according to results of a study presented at the AACR Annual Meeting 2019.

Factors influencing RYGB anaesthesia-related complications

Post-operative nausea and vomiting (PONV) are the most common anaesthesia-related complication following Roux-en-Y gastric bypass, although this procedure has few anaesthetic complications, according to researchers University Hospital Zurich, Switzerland. The study authors found that factors affecting PONV had a strong impact on the overall predictors of anaesthesia complication. For example, PONV was more common in younger and female patients.

UK Biobank study people clarifies the risks of obesity

Elevated BMI has been shown to be a likely causal contributor to population patterns in mortality, according to a study led by the University of Bristol using measurements and mortality data from 500,000 people. Specifically, for those in UK Biobank (a study of middle to late aged volunteers), every 5kg/m2 increase in BMI was associated with an increase of 16 per cent in the chance of death and 61 per cent for those related to cardiovascular diseases.

Children with obesity do not have more pain after surgery

While adults who have obesity often report more pain after surgery, the same does not appear to be true for children with obesity, according to the largest study of its kind, presented at the Anesthesiology 2018 annual meeting. The findings suggest the current protocol for managing pain in children after surgery - in which dosing is based on the patient's actual body weight, and not BMI or whether the child is considered to have obesity - should continue.

Metabolome and the genome, weight and BMI

Researchers from the US and Switzerland have reported the outcomes from a large study examining new ways to measure obesity. The study looked at both the metabolome and the genome, and their relationship to BMI, and who is at an elevated risk of developing obesity-related complications.

Researchers link obesity, the brain and genetics

Clinicians should consider how the way we think can make us vulnerable to obesity, and how obesity is genetically intertwined with brain structure and mental performance, according to new research by researchers at the Montreal Neurological Institute and Hospital (The Neuro). The study was an examination of magnetic resonance imaging (MRI) and cognitive test data from 1,200 individuals, supplied as part of the Human Connectome Project.

Lack of sleep associated with higher BMI in people with prediabetes

People with prediabetes who go to bed later, eat meals later and are more active and alert later in the day - those who have an ‘evening preference’ - have higher BMI compared with people with prediabetes who do things earlier in the day, or exhibit morning preference, according to a University of Illinois at Chicago-led study. That also reported that the higher BMI among people with evening preference is related to their lack of sufficient sleep.

BMI associated with blood pressure in Chinese individuals

Body mass index is positively associated with blood pressure, according to the ongoing study of 1.7 million Chinese men and women being conducted by researchers at the Yale Center for Outcomes Research and Evaluation (CORE) and in China. The research was published in JAMA Network Open.

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