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Childhood overweight linked to lower childbirth rates later in reproductive life

Women with childhood overweight or obesity trajectories had lower hazards of childbirth from their mid-20s onward, with the strongest associations emerging after age 30. Childhood BMI trajectories were generally not associated with diagnosed infertility, suggesting that biological infertility alone may not explain the reduced childbirth rates.

11 Aug 2026

Low-fat vegan diet helps people lose weight without cutting back on food

A low-fat vegan diet lowers the energy density of the foods people eat by roughly 30%, allowing them to eat satisfying amounts of food while taking in fewer calories and losing weight-without deliberately restricting calories-according to new research published in JAMA Network Open.

7 Aug 2026

Food may taste different on GLP-1 drugs, but taste may not be the reason

The review suggests that patient-reported “taste changes” during GLP-1RA treatment may reflect reduced food enjoyment and motivation rather than consistent impairment of basic taste. The authors propose a sensory-liking-wanting framework while emphasizing that current human evidence remains heterogeneous and largely indirect.

4 Aug 2026

Ten-million-person study links semaglutide to lower COVID-19 mortality

Researchers analyzing claims from more than 10.1 million commercial insurance and Medicare Advantage enrollees found that semaglutide use was associated with a 49% lower adjusted hazard of COVID-19-related death. The observational findings corroborate earlier SELECT trial results but do not establish causation, making further prospective research essential.

30 Jul 2026

Lifestyle habits may explain difference in endometriosis symptoms

Investigating lifestyle factors, this study highlights their role in quality of life for women with endometriosis, advocating for personalized care strategies.

28 Jul 2026

YouTube’s health content rewards attention-grabbing videos over reliable medical information

Researchers analyzed 3,958 Korean-language medical YouTube videos and found that clickbait-heavy content attracted more views, likes, and comments. Higher-quality videos from medical professionals and public institutions often received less attention, highlighting a visibility gap in online health information.

27 Jul 2026

Experts review evidence behind updated protein intake recommendations

A new Perspective published today in The Journal of Nutrition, a peer-reviewed journal of the American Society for Nutrition (ASN), reviews the evidence supporting protein recommendations in the 2025-2030 Dietary Guidelines for Americans and identifies areas where additional research could strengthen future dietary guidance.

24 Jul 2026

Semaglutide vs. liraglutide: Head-to-head study reveals a diabetes risk difference

Researchers compared semaglutide with liraglutide in 57,456 insured adults without recorded diabetes or cardiovascular disease who initiated formulations indicated for chronic weight management. Semaglutide users had a lower risk of incident diabetes, particularly beyond six months of follow-up, but limited cardiovascular events prevented a precise comparison of cardiovascular risk.

20 Jul 2026

Semaglutide fuels rapid growth in US GLP-1RA use as payments rise

Nationally representative US data show GLP-1RA use rose 230% among adults with diabetes and 643% among those without reported diabetes between 2017 and 2022, largely driven by semaglutide. Mean annual out-of-pocket payments decreased, but mean total annual payments per user increased, raising concerns about long-term affordability.

20 Jul 2026

Chrononutrition shows promise for postpartum weight management

New research has found that eating habits that align most closely with a woman's existing routine show promise for losing postpartum baby weight, especially for mothers earlier in the postpartum period.

20 Jul 2026

Diet helps people lose weight regardless of genetic obesity risk

A study reveals dietary coaching aids weight loss equally in individuals with high and low genetic obesity risk, challenging genetic determinism in weight loss.

17 Jul 2026

Study links expanding GLP-1 use with rising overall costs

As use of GLP-1s surged across the U.S., average total payments per user also climbed sharply, according to a new Northwestern University study that analyzed national trends in GLP-1 use and spending between 2017 and 2022.

16 Jul 2026

Blood ketone threshold may help predict weight loss success

Achieving and sustaining a blood ketone level of 0.5 mmol/L is crucial for weight loss in ketogenic diets, offering a new approach to dietary monitoring.

16 Jul 2026

Semaglutide dose may matter more than weight loss for heart health

The study shows semaglutide's cardiovascular benefits are more closely tied to attained dose than weight loss, challenging existing treatment assumptions.

14 Jul 2026

Nearly one in 10 Britons use or want weight-loss medication

The prevalence of GLP-1 receptor agonists for weight management in Great Britain highlights public interest and concerns over safety and prescribing practices.

13 Jul 2026

GLP-1RAs linked to lower risk of amputation in diabetes with PAD

Research indicates GLP-1RAs may decrease limb complications in type 2 diabetes with PAD, though more randomized studies are required to confirm efficacy.

10 Jul 2026

Semaglutide outperforms other GLP-1 drugs for weight loss in psychiatric populations

A network meta-analysis of nine randomized controlled trials found that once-weekly semaglutide showed the largest estimated weight-loss effect among GLP-1 receptor agonists tested in adults with mental illness and obesity or related metabolic risk. The authors cautioned that the findings remain preliminary because the evidence base was small, heterogeneous, and largely indirect.

9 Jul 2026