Screens and obesity in young people: associations that may differ by sex
A review of 22 studies links screen time to obesity indicators in young people, without establishing causality or confirming differences between sexes.
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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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Endometrial cancer: diet and lifestyle associated with lower incidence, with limited evidence
An overview of 21 reviews identifies associations between diet, lifestyle and endometrial cancer, without demonstrating a causal protective effect.
Ramadan and heart failure: a review finds no signal of increased risk, but uncertainties remain
A review of seven studies reports no increase in hospitalizations or mortality during Ramadan. It does not establish safety for everyone.
After a heart attack, evolocumab lowers LDL further in a small 12-week trial
In 90 patients after a heart attack, adding evolocumab to atorvastatin lowered LDL further, without demonstrating a clinical benefit in this trial.
Child malnutrition: eligibility for referral is not enough to demonstrate a benefit
In Burkina Faso, a study detects no clear benefit from eligibility for nutritional referral. It does not assess treatment effectiveness.
Cholesterol and subarachnoid hemorrhage: no major link established
A review and a genetic analysis in UK Biobank do not support a major association between blood lipids and subarachnoid hemorrhage.
Pregnancy: an amaranth–chickpea flatbread improves nutritional indicators in a trial in Ethiopia
A trial in pregnant women with anemia reports better anthropometric indicators with an amaranth–chickpea flatbread, without demonstrating a benefit for the baby.
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.
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.
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.
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.