Metals in freshwater fish in Brazil: a review highlights uneven exposure risks
A systematic review describes variable contamination of freshwater fish in Brazil, with exposure risks for populations that consume large amounts of fish.
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Recent studies and announcements, explained with the same rigor as our analyses: sources, context, and the limitations of the data.
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GLP-1 and SGLT2: a US review highlights persistent inequalities in access
A review of 100 US studies describes gaps in access to GLP-1 agonists and SGLT2 inhibitors, without quantifying their magnitude in the available abstract.
ADHD in children: lower ferritin, with no evidence of a benefit from iron
A meta-analysis links ADHD in children to lower ferritin. It demonstrates neither causality nor the effectiveness of supplementation.
LDL cholesterol: oral PCSK9 inhibitors show a substantial effect, but evidence remains limited
A meta-analysis of five trials shows a substantial reduction in LDL with oral PCSK9 inhibitors, without establishing which treatment is superior.
Flavonoid-rich foods: a possible vascular benefit, not proof of cardiovascular prevention
A meta-analysis of 11 trials in healthy adults suggests improvements in some vascular markers, with no demonstrated reduction in blood pressure.
Chestnut flour bread reduces glycemic response in a small trial in healthy adults
In 14 healthy adults, bread containing 50% chestnut flour reduced the glycemic response after a meal. The long-term effect remains unknown.
Hypertrophic cardiomyopathy: metabolic abnormalities, but no gene-specific signature
A review of 14 studies describes metabolic disturbances in hypertrophic cardiomyopathy without identifying a signature specific to genetic variants.
Mild cognitive impairment: a reduction in alcohol consumption observed after nutritional counseling
An analysis of BrainFit-Nutrition observes a reduction in alcohol consumption at 12 months in two nutritional counseling groups, without establishing a cognitive benefit.