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Maternal weight before pregnancy may shape toddlers’ development

A nationwide Korean cohort study of 258,367 mother-child pairs found that maternal pre-pregnancy BMI was associated with developmental delay risk in children aged 18 to 36 months. Children of underweight mothers showed modest early risks that later attenuated, while obesity-related risks persisted across developmental domains.

29 Apr 2026

Brief walking breaks help the body control sugar after carb-rich meals

Brief brisk walking breaks during prolonged sitting improved post-meal interstitial glucose responses in healthy adults after carbohydrate-rich meals, with the strongest effects seen in women. Gluteal fat showed a more stable glucose pattern than abdominal fat, suggesting it may help buffer carbohydrate-related glucose rises through depot-specific uptake and lipid-synthesis pathways.

29 Apr 2026

Cumulative cardiovascular health from early adulthood predicts lower disease risk

The American Heart Association's Life's Essential 8 (LE8) score is a health tool, ranging from 0 to 100, that quantifies cardiovascular health (CVH) using information from eight lifestyle and risk factors, (body mass index, cholesterol, blood pressure, blood glucose, physical activity, diet, smoking, and sleep.

28 Apr 2026

Obesity may leave immune cells stuck in inflammatory mode after weight loss

A new EMBO Reports study suggests that obesity can leave a lasting epigenetic imprint on CD4 T cells, delaying the restoration of adaptive immune balance after weight loss. Using mouse models and human cohorts, researchers linked this immune “memory” to DNA methylation changes, saturated fatty acids, autophagy, and immune senescence.

28 Apr 2026

Ultra-processed foods linked to poorer attention and higher dementia risk scores

Research shows that higher ultra-processed food consumption may impair attention and elevate modifiable dementia risk, highlighting concerns for brain health.

28 Apr 2026

GLP-1 weight loss is driven mainly by fat loss, not muscle loss

GLP-1-based therapies helped adults with overweight or obesity lose weight mainly by reducing fat mass and visceral adipose tissue, while lean body mass losses were generally modest. The findings suggest these treatments can support higher-quality weight loss when paired with individualized care, nutrition, and resistance training.

27 Apr 2026

Vitamin E intake linked to a key fertility hormone in women trying to conceive

A cross-sectional study of 97 women with infertility found that higher vitamin E intake was associated with lower prolactin levels and smaller hip circumference. Riboflavin and calcium intake were linked to higher muscle mass percentage, but the findings are association-based and need confirmation in longitudinal studies.

26 Apr 2026

Scientists will probe whether processing itself makes ultra-processed foods harmful

A randomized controlled trial protocol will test whether the cardiometabolic risks linked to ultra-processed foods stem from industrial processing, poor nutrient composition, or both. Using four controlled diets, researchers will separate the effects of UPF content from saturated fat, added sugar, and sodium on LDL cholesterol, insulin resistance, and blood pressure.

26 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

Lower grip strength in early pregnancy linked to risk of hypertensive disorders of pregnancy

Hypertensive disorders of pregnancy (HDP) are a leading cause of maternal mortality worldwide. In addition, HDP can lead to fetal growth restriction, preterm birth, and various long-term adverse health outcomes.

24 Apr 2026

Late-night eating may amplify the effects of stress on gut health

It's well known that chronic stress can disrupt bowel function, sending people running to the bathroom or making them constipated.

23 Apr 2026

Sleep apnea more common in former football players than previously recognized

New research led by investigators at Vanderbilt Health and the Football Players Health Study at Harvard University suggests that sleep apnea may be far more common - and more clinically significant - among former professional football players than previously recognized.

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

Study links common herbicide to rising early-onset colorectal cancer risk

Researchers used DNA methylation-based “epigenetic fingerprints” as proxies for lifelong exposome-related patterns and found that early-onset colorectal cancer was associated with lower Mediterranean diet adherence, lower education, smoking-related signatures, and higher picloram-related exposure signals. They then supported the picloram association in nine independent cohorts and with 21 years of US county-level pesticide-use data, while noting that the findings show association rather than proof of causation.

22 Apr 2026

Low-plastic diets cut plastic-linked chemicals in urine within 7 days, study finds

A Nature Medicine study found that healthy Australian adults were widely exposed to plastic-associated chemicals, with processed, packaged, and canned foods emerging as important modifiable contributors to urinary phthalate and bisphenol levels. In a 7-day pilot randomized trial, low-plastic food interventions reduced several urinary plastic-associated chemicals without lowering daily energy intake.

22 Apr 2026

Autism risk rises with multiple medications taken during pregnancy

A study links maternal use of cholesterol-inhibiting medications during pregnancy to increased autism risk in children, urging caution in prescribing practices.

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

Morning naps may flag higher mortality risk in older adults

Older adults who took longer and more frequent daytime naps, especially in the morning, had a higher risk of all-cause mortality in this prospective cohort study using actigraphy-based nap tracking. Variability in nap duration from day to day was not associated with mortality after full adjustment.

21 Apr 2026

Why heart risk is hard to predict in type 1 diabetes

A European study reveals cardiovascular risk patterns in type 1 diabetes, highlighting the need for tailored prevention strategies to catch complications early.

20 Apr 2026

Eating oranges daily may shift lipid patterns in fatty liver disease

A 4-week trial on 'Navelina' oranges shows potential effects on lipid metabolism in fatty liver disease, revealing intriguing but non-significant patterns.

20 Apr 2026