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Three distinct BMI trajectories identified in people with type 2 diabetes

A recent study identified three distinct BMI trajectories among people with type 2 diabetes, with stable, increasing, and decreasing trajectories associated with different comorbidities and healthcare service use. Increasing BMI was linked to a clustering of chronic diseases, while weight loss was not always indicative of better health...

SourceUniversity of Eastern Finland·JournalDiabetes Research and Clinical Practice·DateSep 1, 2026

Study identifies chrononutrition as a viable approach for postpartum weight loss

A new study published in the Journal of the Academy of Nutrition and Dietetics identifies chrononutrition as a viable approach for postpartum weight loss. The research found that time-based eating approaches, such as time-restricted eating, can be an effective strategy for mild calorie restriction and cardiometabolic health postpartum.

SourceElsevier·JournalJournal of the Academy of Nutrition and Dietetics·TypeSurvey·DateJul 20, 2026

Skimping on sleep leads to weight gain

Research at Columbia University Irving Medical Center found that people who got 5-6 hours of sleep a night gained an average of one pound over six weeks, with increased sedentary time. This study suggests that getting adequate sleep may help reduce the risk of weight gain and obesity-related conditions.

SourceColumbia University Irving Medical Center·JournalAnnals of Internal Medicine·TypeExperimental study·DateJul 6, 2026

Modest sleep loss linked to weight gain in adults with high cardiometabolic risk

A pooled analysis of two randomized trials found that decreasing sleep by just 1.5 hours each night was associated with increases in body weight, waist circumference, and sedentary time in adults with elevated cardiometabolic risk. The findings highlight the importance of discussing sleep duration at health care visits.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·TypeNews article·DateJul 6, 2026

Study shows use of obesity drugs alongside behavioral intervention is associated with reduced “food noise”

Research by Dr. Hanim Diktas at Pennington Biomedical Research Center shows that combining GLP-1 receptor agonists with behavioral intervention leads to a greater reduction in 'food noise', a persistent thought about food disrupting daily life and healthy behaviors. The study found significant decreases in food noise for participants u...

SourcePennington Biomedical Research Center·TypeObservational study·DateMay 12, 2026

People who have lost weight using tirzepatide are seven times more likely to maintain their weight loss if they continue on the maximum dose compared to those who stop treatment

Patients on tirzepatide at maximum dose have seven times higher odds of maintaining weight loss compared to those who stop treatment. Those on the lower 5mg dose have four times higher odds, according to a new study published in The Lancet.

Study shows that most weight loss achieved using injectable obesity drugs can be maintained by switching to daily oral orforglipron (ATTAIN-MAINTAIN)

New research finds that participants in the ATTAIN-MAINTAIN trial maintained a significant percentage of weight loss when switched from injectable tirzepatide or semaglutide to daily oral orforglipron treatment. The study shows that nearly all weight loss achieved on injectable therapies can be maintained by switching to oral therapies.

Study: Metformin new standard of care to manage weight gain side effect of certain bipolar medications

A study published in The Lancet Psychiatry found that metformin can help manage weight gain in overweight or obese youth taking medication for bipolar disorder, making it a potential standard of care treatment. The MOBILITY trial showed modest but significant benefits of metformin over no treatment, with well-tolerated side effects.

SourceUniversity of Cincinnati·JournalThe Lancet Psychiatry·TypeRandomized controlled/clinical trial·DateNov 12, 2025

Study confirms that inactive parents contribute to sedentary behavior in their children

A study by São Paulo State University found a direct association between adults' levels of physical activity and their children's sedentary behavior. Children of inactive parents tend to be more sedentary, but when mothers and fathers maintain an active routine, their children usually follow suit.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalSports Medicine and Health Science·DateSep 4, 2025

GLP-1 receptor agonists and cancer risk in adults with obesity

A retrospective cohort study found that GLP-1 receptor agonists may reduce overall cancer risk, including lower risks of endometrial and ovarian cancers, among patients with obesity or overweight. However, these medications may also increase the risk of kidney cancer, highlighting the need for longer-term follow-up.

SourceJAMA Network·JournalJAMA Oncology·DateAug 21, 2025

Teens with higher blood levels of PFAS regain more weight after bariatric surgery, study finds

A new study found that adolescents with higher blood levels of per- and polyfluoroalkyl substances (PFAS) prior to bariatric surgery regained more weight and had greater increases in waist circumference up to five years after surgery. Researchers believe PFAS exposure disrupts endocrine and metabolic processes, leading to weight regain.

SourceKeck School of Medicine of USC·JournalObesity·TypeMeta-analysis·DateAug 14, 2025

Health: Anti-obesity medications associated with weight rebound post-treatment

A meta-analysis published in BMC Medicine found that patients prescribed anti-obesity medications may experience a significant weight gain after stopping their prescription. The study analyzed data from 11 randomised trials and suggests that six approved anti-obesity medications are associated with weight regain after treatment cessation.

SourceBMC (BioMed Central)·JournalBMC Medicine·TypeMeta-analysis·DateJul 21, 2025

Oral semaglutide vastly reduces heart attacks, strokes in people with type 2 diabetes

A new clinical trial found that oral semaglutide can significantly reduce cardiovascular events in people with type 2 diabetes and pre-existing cardiovascular disease. The medication decreased the risk of major cardiac events by 14% compared to placebo, with nonfatal myocardial infarction seeing the greatest reductions in risk.

SourceUniversity of North Carolina Health Care·JournalNew England Journal of Medicine·DateMar 29, 2025