Recent studies and announcements, explained with the same rigor as our analyses: sources, context, and the limitations of the data.
A meta-analysis of 59 studies reports beneficial effects of biochar on soils and plants exposed to plastics, without demonstrating a human health benefit.
Read the news
A meta-analysis documents complex post-traumatic stress among displaced people, without establishing a generalizable prevalence estimate.
A small trial in female volleyball players suggests benefits for jumping and calf tenderness, but not across all recovery measures.
In 25 adults with obstructive sleep apnea, eight weeks of strength training improved self-reported sleep, with no difference in sleepiness.
Among 116 older adults, some balance tests were weakly associated with errors on a cycling course, without establishing accident risk.
A meta-analysis of 17 studies suggests a favorable effect from a placebo presented as caffeine. The low quality of the evidence limits the conclusion.
A protocol plans to compare a virtual reality intervention with digital booklets among mental health professionals. No efficacy results are available.
A protocol plans to test vitamin D for insomnia symptoms in Malaysian women with vitamin D deficiency. No efficacy results are presented.
A trial involving 31 young adults suggests an improvement in a mood score with walnuts, without establishing the mechanism or clinical significance.
A systematic review explores these two fibers in obesity management. Findings are heterogeneous and mostly come from animal studies.
A small trial observes a change in the brain’s response to insulin after peanut consumption, without establishing a clinical benefit.
A randomized trial in 56 adolescents suggests benefits from aquatic plyometric exercises, but its abstract does not specify the clinical magnitude of the improvements.
An observational meta-analysis links dietary choline to less cognitive impairment, without demonstrating that it prevents its onset.
A review of 27 trials identifies functional benefits of supervised rehabilitation for long COVID, with important methodological limitations.
A randomized trial suggests that adding a monitor lamp to artificial tears may improve symptoms, with no demonstrated objective benefit at one month.
An analysis of three studies links certain genetic profiles to depression in Parkinson’s. These exploratory findings do not demonstrate causality.
A review of 37 studies links certain types of sensory processing to body representation in autism, without establishing causality or clinical applications.
A review of three randomized trials shows that deprescribing reduces medication use and raises blood pressure, without establishing its effect on mortality.
A review of 12 publications identifies differences in the microbiota of people with vasculitis, without demonstrating a causal role or therapeutic benefit.
A meta-analysis of 15 trials reports a reduction in depressive symptoms with moxibustion. The quality of the evidence remains low to very low.
