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Leishmania parasites hide inside our own immune cells, causing severe illness across the globe. Despite promising modern trials using crippled parasites and engineered viruses, no human vaccine has yet received regulatory approval.
A study in Uganda found that eight percent of people living right beside endangered mountain gorilla habitats had active COVID-19 in late 2021, raising concerns about virus spillover into wild apes.
A review of African health studies finds that 9% of tested patients had a Schistosoma Salmonella coinfection. Lab tests show the flatworms can shield germs from standard drugs.
A trial found that daily over-the-counter probiotics did not improve symptoms or gut health in adults with psoriatic arthritis compared with a dummy treatment.
A team of fifteen doctors suggests treating obesity as an ongoing health condition rather than a quick problem to fix, warning that stopping drugs usually brings weight straight back.
A review of materials chemistry explores how chitosan hydrogels can stick inside infected gum pockets to release medicines and encourage tissue repair on demand.
Blocking vision in one eye for five days caused reversible increases in grey matter volume across visual brain regions in 21 healthy adults.
A study across four countries found that worse hearing loss is tied to higher death rates, but wearing hearing aids lowers that risk.
A microfluidic blood-filtering device captured circulating tumour cells in mice, reducing post-surgery cancer recurrence and boosting survival over 28 days.
A review of trials with over 38,000 patients found that semaglutide was linked to a 17% lower relative risk of cardiovascular death. The pattern held whether patients took a pill or a shot, and whether they had diabetes or not.