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Data, models and systemsForecasts and their record refines
Pandemic excess deaths were partly offset by a death deficit in 2024 and 2025
Across 38 countries with reliable death registration, excess deaths of 1.99-2.88 million in 2020-2023 were followed by a deficit of 0.39-1.08 million in 2024-2025.
Preprint · not peer-reviewed -
Behavioural scienceAdherence and persistence refines
Seven in ten US women stay on endocrine therapy for one year
Of 401,450 US women starting adjuvant endocrine therapy after breast surgery, 69.9% had a medication possession ratio of at least 80% over the first year.
Preprint · not peer-reviewed -
Behavioural scienceAlcohol and drug use refines
Scottish drug deaths rose 11% in 2025, with nitazenes linked to a fifth of fatalities
Drug-related deaths in Scotland rose by 11% to 1133 in 2025, with 247 (22%) linked to nitazenes, more than triple the 2024 figure, although routine postmortem testing for etonitazene began only in May 2025.
Official statistics -
Data, models and systemsRevisions and new sources new
UK database lists the additives that mark a food as ultra-processed
Researchers have sorted every additive approved in the UK by its purpose, so that those used to alter taste, colour or texture mark a product as ultra-processed.
Preprint · not peer-reviewed -
Data, models and systemsForecasts and their record new
Modelled summer COVID-19 vaccination averts more US hospitalisations in over-65s
A US transmission model estimated 441 COVID-19 hospitalisations per 100,000 adults aged 65 and over under July vaccination, as compared to 578 with no further vaccination.
Preprint · not peer-reviewed -
Behavioural scienceDiet, exercise and sleep refines
Older adults walked 483 fewer steps after a day of higher fine particle exposure
In 67 UK adults aged 50-85, a day on which fine particle exposure ran 2.6 micrograms per cubic metre above the person's own average was followed by 483 fewer steps.
Preprint · not peer-reviewed -
Behavioural scienceInfection and pandemics refines
Korea's 2025-26 avian flu outbreaks included an H5N1 genotype from Europe
Sequencing of H5Nx viruses from 62 poultry outbreaks and 63 wild bird cases in Korea found most H5N1 and H5N9 genotypes were reassortants, one of them a genotype from Europe.
Peer-reviewed -
Behavioural scienceAlcohol and drug use new
Australian MDMA-related poisoning deaths rose to 2019 and then fell to 2023
A coronial series of 217 MDMA-related fatal poisonings in Australia found the population rate rising to 2019 and falling to 2023, with other psychoactive drugs detected in 91.7% of cases.
Peer-reviewed -
Behavioural scienceDiet, exercise and sleep refines
The most active mid-life adults in UK Biobank report more fractures
Among 322,749 UK Biobank participants in mid-life, fracture in the previous five years was more common in the most active fifth, but not in those meeting WHO recommendations.
Preprint · not peer-reviewed -
Behavioural scienceInfection and pandemics new
Canada's missing measles vaccine coverage figures are filled in by modelling
Researchers curated publicly available Canadian vaccine coverage data and modelled first-dose measles coverage by province, territory and age, then tested the same method against England's more complete records.
Preprint · not peer-reviewed -
Behavioural scienceAdherence and persistence confirms
Most people with HIV starting fostemsavir were still taking it a year later
A retrospective cohort of 77 adults starting fostemsavir in US clinical practice found most still taking it at 12 months, and most of those already suppressed stayed suppressed.
Peer-reviewed -
Behavioural scienceInfection and pandemics new
Lagos wastewater sequencing found enteric viruses, Vibrio cholerae and resistance genes
Sequencing of untreated wastewater from Lagos drainage canals in July and August 2024 detected enteric viruses, Vibrio cholerae and genes conferring resistance to several antibiotic classes.
Preprint · not peer-reviewed
