Obesity News and Research

Latest Obesity News and Research

Estrogen loss after menopause impacts heart health through gene regulation

Virginia Tech scientists at the Fralin Biomedical Research Institute say the increased risk of cardiovascular disease after menopause may stem not only from declining hormone levels, but also from how those changes influence gene activity.

27 Apr 2026

Obesity leaves lasting molecular tags on the immune system

People who live with obesity are 'tagging' a memory of being overweight on a key part of the immune system - leaving people with ongoing risk of obesity-related conditions years after losing weight, according to a 10 year-long study published in EMBO Reports.

27 Apr 2026

Yoga to help manage obesity-related heart and metabolic risks

The impact of yoga on heart health in obesity is modest, suggesting it as a complementary approach for improving metabolic outcomes in high BMI populations.

27 Apr 2026

Blue Zones longevity claims may rest on flawed records, essay argues

Essay challenges the scientific validity of the Blue Zones concept and Ancel Keys’ Lipid Hypothesis, arguing that both rest on biased data, weak records, and methodological flaws. The authors say some longevity claims may reflect clerical errors, poverty, and unreliable vital records rather than uniquely healthy lifestyles.

26 Apr 2026

Ultra-processed foods linked to measurable drops in human attention span

New research from Monash University, the University of São Paulo and Deakin University shows a diet high in heavily processed foods can negatively impact the brain's ability to focus and increases the risk of developing dementia.

25 Apr 2026

Losing weight improves heart muscle contraction in people with obesity and heart failure

In a new research report, a team of scientists led by Johns Hopkins Medicine say people with severe obesity and a common type of heart failure experience weakened heart muscles, and that losing weight may reverse some of these effects.

25 Apr 2026

Researchers uncover new mechanism linking metabolism, immunity, and skeletal health

Obesity alters bone health not only through increased body weight but also by reshaping the bone marrow environment.

25 Apr 2026

People judge weight loss more harshly when GLP-1 drugs are involved, study finds

In four pre-registered studies across Belgium, the US, and the UK, people judged anti-obesity medication users as putting in less effort and, in turn, viewed them as less moral, competent, warm, and deserving than non-users. The findings suggest that effort moralization may help drive stigma around GLP-1-based weight-loss treatment, even when medication is used alongside diet and exercise.

23 Apr 2026

Study identifies new genetic pathways driving cardiometabolic disease risk

A study published today in PLOS Medicine has identified two new genetic pathways that contribute to cardiometabolic disease, which includes heart disease, obesity and diabetes.

23 Apr 2026

Many heart scans fail to provide clear diagnostic results

Thousands of patients sent for vital heart scans may be undergoing unnecessary first-line tests that fail to deliver clear answers - according to new research from the University of East Anglia.

23 Apr 2026

Study identifies key risk factors driving MASLD across populations

Metabolic dysfunction-associated steatotic liver disease (MASLD) affects approximately 32% of the US adult population.

23 Apr 2026

Endoscopic procedure may prevent weight regain after GLP-1 discontinuation

An outpatient procedure may offer a way for the estimated 70% of people who discontinue popular weight-loss drugs to avoid regaining the pounds they shed, according to a study to be presented at Digestive Disease Week (DDW) 2026.

23 Apr 2026

Specific intestinal fungi play role in the pathogenesis of MASLD and cardiovascular disease

Metabolic dysfunction-associated steatotic liver disease (MASLD) is an independent risk factor for cardiovascular disease (CVD). While gut bacteria have been linked to CVD, the role of intestinal fungi in subclinical coronary atherosclerosis (SCA) remains unclear.

23 Apr 2026

Microplastics in the liver may drive global liver disease rates

There is considerable evidence that microplastics and nanoplastics are present in the livers of humans, and wild animal populations on land and in the ocean.

23 Apr 2026

Tirzepatide significantly reduces cardiovascular risk in high-risk patients

Two new studies show that tirzepatide, a glucose-dependent insulinotropic polypeptide (GIP) receptor and glucagon-like peptide-1 (GLP-1) receptor agonist (RA), significantly reduces cardiovascular risk in high-risk patients, including those undergoing percutaneous coronary intervention (PCI) and those with obesity undergoing transcatheter aortic valve replacement (TAVR).

23 Apr 2026

Yoga may improve cardiometabolic health in overweight adults

Practicing yoga could help people with overweight or obesity improve their cardiometabolic health, according to a study published April 22 in the open-access journal PLOS Global Public Health by Widya Wasityastuti from the University of Edinburgh, Scotland, and colleagues.

22 Apr 2026

Tirzepatide vs. semaglutide: Study compares cost and health outcomes in obesity

In a US societal-perspective lifetime simulation based on SURMOUNT-5 data, tirzepatide was projected to deliver lower total costs and better health outcomes than semaglutide for adults with obesity or overweight without type 2 diabetes.

22 Apr 2026

Researchers identify high rates of untreated hypertension in young veterans

Approximately half a million post-9/11 U.S. veterans who served in the military have had high blood pressure, and among them, about half were undiagnosed and one quarter were untreated, according to a new study published today in the Journal of the American Heart Association, an open access, peer-reviewed journal of the American Heart Association.

22 Apr 2026

Prediabetes leaves lasting fat tissue changes after bariatric surgery

Prediabetes may leave a lasting molecular "footprint" on adipose (fat) tissue which appears to make maintaining weight loss after bariatric surgery more difficult, according to new research being presented at this year's European Congress on Obesity (ECO) in Istanbul, Turkey (12-15 May).

22 Apr 2026