A review of 87 randomized trials found that eating more whole grains was linked to modest improvements in cholesterol, blood pressure and other measures tied to heart health.
Experts say success should be measured by changes in things like blood sugar, sleep, mobility and quality of life, not just pounds lost.
A large French study linked less consistent eating schedules with higher heart disease risk in men, but it cannot show that changing meal times causes the difference.
A long-term study found that men who ate more saturated fat after diagnosis had a higher risk of death, while some unsaturated and plant-based fats were linked to better survival.
The association was strongest after age 78, suggesting that long fasting windows may not have the same implications in advanced age.
Communities with more dollar stores had higher rates of obesity, high blood pressure and type 2 diabetes, but the study cannot show the stores caused those outcomes.
Researchers found that gut microbes can combine nitrate and iron into new compounds that improved blood pressure, blood sugar and liver fat in mice.
A doctors' advocacy group wants the 2025-2030 guidelines withdrawn, but the lawsuit lands amid broader concerns over transparency, industry ties and conflicting nutrition advice.
More than 1 million women were tracked after pregnancy, with gestational diabetes linked most strongly to later blood sugar problems and more modest increases in several other health risks.
A large analysis found a modest increase in atrial fibrillation among high-risk patients taking larger doses, while lower-dose supplements were not tied to a clear rise in risk.
A secondary analysis of a randomized diet trial suggests inherited risk may help explain why some people experience larger cholesterol increases than others.
An eight-week program combining medically tailored meals, Navajo food traditions and practical household support reduced hospital and emergency visits over 90 days.
A preliminary analysis found no overall decline in sodium among newly introduced products in nine major food categories after the FDA issued voluntary reduction goals, though the study did not evaluate the entire food supply or what consumers actually bought.
Researchers analyzed representative recipes for common cafeteria foods as schools prepare for tighter federal limits on added sugars and sodium.
A new American Heart Association scientific statement finds that moderate caffeinated coffee consumption does not appear to raise cardiovascular risk for most adults, though individual responses and caffeine sources vary.
A study of New Zealand women linked evening chronotypes with later eating patterns, higher body fat and less favorable metabolic measures, but it could not show that meal timing caused those differences.
A six-month trial found a small drop in LDL particle levels, not fewer heart attacks.
A BMJ review found several obesity medications produced substantial weight loss, but evidence for quality-of-life gains and long-term health benefits remains limited for many drugs.
In a secondary analysis of a clinical trial, adults with severe obesity who exercised after weight loss had healthier blood-vessel markers than those using liraglutide alone.
A large European study found blood-marker patterns linked to higher ultraprocessed food intake, but it does not prove these foods caused the changes.
A modeling study in Scottish adults found that modest swaps away from some meat and dairy could improve diet quality, support public health goals and lower food-related environmental impacts without increasing overall diet costs.
A large observational study found blood pressure and cholesterol gaps have narrowed among older adults with obesity in several high-income countries, likely because of medication use.
A before-after study found Singapore’s Nutri-Grade policy was associated with lower-sugar beverage purchases and product reformulation.
An 18-month randomized trial suggests a plant-forward Mediterranean-style diet may interact with genetic differences in folate metabolism, but the findings do not prove that any single food can prevent disease or rewrite genes.
A long-term study found that people who drank more sugary beverages and fruit juice from childhood into adulthood were more likely to report high blood pressure as adults, while whole fruit was linked to lower risk.
