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First comprehensive sex-specific atlas of GLP-1 in the mouse brain reveals why blockbuster weight-loss drugs may work differently in females and males

Researchers mapped GLP-1 expression in 25 brain regions in each sex, uncovering striking differences in key circuits. The atlas reveals sex-biased expression in certain medullary nuclei, with higher Glp1 densities and numbers of Glp1-expressing neurons in females compared to males.

SourceGenomic Press·JournalBrain Medicine·TypeExperimental study·DateMar 10, 2026

How do GLP-1 agonists affect gene expression?

Salk Institute researchers identified Med14, a protein connected to GLP-1 drug effects on pancreatic beta cells, leading to improved viability, insulin production, and stress resistance. The study suggests a potential molecular link between GLP-1 drugs and broader benefits, including type 2 diabetes susceptibility genes.

SourceSalk Institute·JournalProceedings of the National Academy of Sciences·DateMar 6, 2026

Combination GLP-1 therapy shows fat mass loss while preserving lean mass in adults with obesity

A combination of GLP-1 receptor agonist semaglutide and bimagrumab results in greater weight reduction while preserving lean mass in adults with obesity. The therapy combination addressed lean mass loss associated with GLP-1-based therapies, showing substantial weight loss over 72 weeks.

SourcePennington Biomedical Research Center·JournalNature Medicine·TypeRandomized controlled/clinical trial·DateMar 5, 2026

GLP-1 medications get at the heart of addiction: study

Researchers found that GLP-1 medications are effective at reducing the risk of developing substance use disorders across all major addictive substances, including a 14% reduced risk for developing any substance use disorder. The study also showed significant reductions in severe harm, including overdose and death, among patients with p...

SourceWashU Medicine·JournalBMJ·TypeObservational study·DateMar 4, 2026

Variety: Spice of life or risk factor for overeating?

A new study conducted by researchers at Penn State found that the presence of a higher variety of foods in a buffet increases both the weight and calories of food selected. Participants who visited buffets with more food options chose higher-calorie dense foods, leading to increased calorie consumption.

SourcePenn State·JournalAppetite·TypeExperimental study·DateFeb 27, 2026

Understanding GLP-1 signaling: A path to better therapies

A new study finds that a novel GLP-1 receptor agonist, Exendin-4-Phe (Ex-Phe-1), preserves glycemic control while reducing malaise and vomiting behaviors in preclinical models. The compound uses biased agonism to selectively activate certain signaling pathways, achieving desired effects without triggering others.

SourceUniversity of Pennsylvania·JournalDiabetes Obesity and Metabolism·TypeExperimental study·DateFeb 26, 2026

A risk factor for liver disease: your parent’s body weight

A recent study from WashU Medicine found a strong correlation between parental obesity and the risk of metabolic dysfunction-associated steatotic liver disease (MASLD) in children. Research analyzing data from the UK Avon Longitudinal Study of Parents and Children showed that maternal obesity was associated with a 2.9-fold increase in ...

SourceWashU Medicine·JournalGut·TypeData/statistical analysis·DateFeb 25, 2026

Pre-pregnancy parental overweight/obesity linked to next generation’s heightened fatty liver disease risk

Research published in the journal Gut found that pre-pregnancy parental overweight and obesity are independently associated with increased odds of developing metabolic dysfunction associated steatotic liver disease (MASLD) in children by age 24. Cumulative excess weight in childhood significantly influences this risk, with children who...

SourceBMJ Group·JournalGut·TypeObservational study·DateFeb 24, 2026

ESE and ESPE launch joint transition of care guidance to improve outcomes for young people moving from child to adult endocrine care

The ESE and ESPE have launched a landmark Joint Clinical Practice Guidance to support structured and effective transition of young people with endocrine conditions. The Guidance provides practical, evidence-based recommendations to ensure continuity, safety and quality of care during this critical phase in a patient's life.

Evidence behind intermittent fasting for weight loss fails to match hype

A new Cochrane review suggests that intermittent fasting may not be an effective strategy for weight loss in overweight or obese adults. The study found no meaningful difference in weight loss between intermittent fasting and traditional dietary advice or doing nothing, highlighting the need for more research into this area.

SourceCochrane·JournalCochrane Database of Systematic Reviews·TypeSystematic review·DateFeb 15, 2026

Childhood obesity causes early vascular damage, according to a study of children in São Paulo (Brazil)

A study found that childhood obesity can lead to premature vascular damage in children as young as six, increasing the risk of diseases such as atherosclerosis and heart attack. The research identified early signs of inflammation and dysfunction in the endothelium, highlighting the need for public policies to prevent childhood obesity.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalInternational Journal of Obesity·DateFeb 11, 2026

Up to 31.3% body weight loss, Insilico Medicine nominates AI-powered GIPR antagonist ISM0676 as preclinical candidate, showing synergistic efficacy in combination therapy

ISM0676 demonstrates excellent metabolic stability, superior efficacy at low doses, and a favorable safety profile, leading to significant body weight reduction and improved body composition. The compound's synergistic efficacy with Semaglutide supports its further clinical development as an obesity treatment.

Combined aerobic-resistance exercise: Dual efficacy and efficiency for hepatic steatosis

Researchers have found a nonlinear dose-response relationship between exercise and hepatic steatosis, indicating that a combination of aerobic and resistance exercises can produce clinically meaningful improvements. The study suggests that exercising above 130 MET-min/week can lead to significant reductions in hepatic steatosis.

SourceJournal of Sport and Health Science·JournalJournal of Sport and Health Science·TypeSystematic review·DateJan 23, 2026

People with obesity may have a higher risk of dementia

A new study published in The Journal of Clinical Endocrinology & Metabolism found a causal link between high body mass index (BMI) and dementia. High blood pressure was identified as a driving factor behind the increased risk. Researchers suggest that preventing or treating obesity and high blood pressure could help reduce dementia risk.

SourceThe Endocrine Society·JournalThe Journal of Clinical Endocrinology & Metabolism·DateJan 22, 2026

Patient recruitment begins for major real-world digital weight management study

The W8Buddy study, a major real-world evaluation of digitally delivered specialist weight management pathways, is recruiting 450 participants from 4 Specialist Weight Management Services across England and Wales. The study aims to assess the long-term health benefits and economic impact of digital tools for obesity care.

SourceUniversity of Warwick·JournalBMJ Open·TypeRandomized controlled/clinical trial·DateJan 22, 2026

LSU Health New Orleans researchers link obesity, estrogen use, and increased blood-clotting risk

Researchers found that obesity and estrogen-based medications synergistically increase thrombotic risk by suppressing Protein S levels. This study offers new insights for cancer care, highlighting the need to monitor and prevent blood clots in patients with obesity or estrogen use.

SourceLouisiana State University Health Sciences Center·JournalJournal of Clinical Investigation·TypeExperimental study·DateJan 21, 2026

Weight management process designed by CU Anschutz faculty show population weight gain reversal

A new weight management process called PATHWEIGH has been developed by CU Anschutz faculty to help patients with weight management. The program mitigates population weight gain by 0.58 kg over 18 months and increases the likelihood of a patient receiving weight-related care by 23%.

SourceUniversity of Colorado School of Medicine·JournalNature Medicine·TypeRandomized controlled/clinical trial·DateJan 14, 2026

Fat surrounding the colon interacts with the immune system

Research reveals that fat located near the colon contains an unusually high number of inflammatory fat cells and immune cells, suggesting a unique function in communicating with the immune system in the gut region. This tissue may be an adaptation to the gut microbiome and could contribute to amplifying or sustaining inflammation.

SourceKarolinska Institutet·JournalCell Metabolism·TypeExperimental study·DateJan 13, 2026

Pennington Biomedical researchers explore factors behind body’s ability to regulate weight

Pennington Biomedical researchers investigated competing body weight regulation models, analyzing the interaction of energy intake and expenditure. The study highlights the need to test state-of-the-art technology and could help explain why losing weight is challenging for some individuals.

SourcePennington Biomedical Research Center·JournalNature Reviews Endocrinology·TypeSystematic review·DateJan 13, 2026

Female sex and higher education linked to escalating prevalence of obesity and overweight in Africa

The prevalence of overweight and obesity in Africa has surged, with a significant increase in obesity over the past two decades. Women are nearly five times more likely to be obese than men, while those with tertiary-level education are three times more likely. The study's findings highlight the need for targeted public health interven...

SourceBMJ Group·JournalBMJ Global Health·TypeObservational study·DateJan 13, 2026

Study finds more than a quarter of adults worldwide could benefit from GLP-1 medications for weight loss

A new study found that more than one-in-four adults worldwide may be eligible for GLP-1 use, with women and older individuals among the most eligible. The research emphasizes the need to prioritize global access to these medications, particularly in low- and middle-income countries where obesity rates are highest.

SourceMass General Brigham·JournalThe Lancet·TypeData/statistical analysis·DateJan 8, 2026

Movement matters: Light activity led to better survival in diabetes, heart, kidney disease

A new study found that light intensity activities, such as walking or household chores, were associated with a lower risk of death for people with CKM syndrome. The researchers used data from the National Health and Nutrition Examination Survey to compare activity level duration for each CKM syndrome stage.

SourceAmerican Heart Association·JournalJournal of the American Heart Association·DateJan 7, 2026

Lack of support for people on weight loss drugs leaves them vulnerable to nutritional deficiencies, say experts

Experts warn that people taking weight loss drugs like semaglutide and tirzepatide may not receive sufficient nutritional guidance, leaving them at risk of nutrient deficiencies and muscle loss. The lack of robust evidence surrounding nutritional advice and support has significant implications for overall health and well-being.

SourceUniversity of Cambridge·JournalObesity Reviews·TypeSystematic review·DateJan 7, 2026

The untold story of life with Prader-Willi syndrome - according to the siblings who live it

A new study reveals the emotional challenges faced by siblings of people with Prader-Willi syndrome, including feelings of stress, loneliness, and sadness. Siblings often take on extra responsibilities at home and struggle to cope with their brother or sister's behavior and hunger.

SourceUniversity of East Anglia·JournalJournal of Applied Research in Intellectual Disabilities·TypeSystematic review·DateJan 6, 2026

Prediabetes is increasingly common among children living with overweight or obesity – prevalence has risen alongside maternal overweight

A recent study by University of Eastern Finland found that prediabetes has increased significantly in Finnish children living with overweight or obesity, rising from 11% to 50% over two decades. The study suggests a potential link between maternal overweight and the rise in child prediabetes prevalence.

SourceUniversity of Eastern Finland·JournalInternational Journal of Obesity·DateDec 30, 2025

Fathers’ microplastic exposure tied to their children’s metabolic problems

A study led by UC Riverside scientists found that a father's microplastic exposure can trigger metabolic dysfunctions in his offspring, with female offspring being more susceptible. The research used mouse models and found altered sperm small non-coding RNA profiles and increased risk of diabetes in female offspring.

SourceUniversity of California - Riverside·JournalJournal of the Endocrine Society·TypeExperimental study·DateDec 23, 2025

GLP-1s are changing the foods Americans buy

Households taking GLP-1 medications reduce grocery spending by an average of 5.3%, while spending at fast-food restaurants and coffee shops also decrease. Ultra-processed foods see significant declines, whereas yogurt, fresh fruit, and meat snacks experience modest increases.

SourceCornell University·JournalJournal of Marketing Research·TypeSurvey·DateDec 22, 2025