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Sex and all-cause mortality in the US, 1999 to 2019

A cohort study of 47,000 adults found that males had a 63% greater risk of all-cause mortality compared to females after adjusting for demographic and behavioral factors. The study suggests intrinsic biological factors, such as sex hormones or immune response, may contribute to these sex differences in mortality.

SourceJAMA Network·JournalJAMA Network Open·DateJan 30, 2026

High-deductible health plans and mortality among cancer survivors

A cross-sectional analysis of nationwide population data reveals that high-deductible health plans are associated with worse overall and cancer-specific survival among cancer survivors. The study suggests that financial disincentives for medical care may lead to delayed or foregone necessary care, ultimately worsening cancer outcomes.

SourceJAMA Network·JournalJAMA Network Open·DateJan 29, 2026

Cancer incidence and mortality with aspirin in older adults

A recent study found that low-dose aspirin use was not associated with incident cancer incidence in older adults, contrary to previous findings. However, the study revealed a significant elevation in cancer mortality risk during the randomized clinical trial period, which did not persist after the trial ended.

SourceJAMA Network·JournalJAMA Oncology·DateJan 29, 2026

Diagnosis of cardiomyopathy is on the rise

A new study from Uppsala University reveals a substantial increase in cardiomyopathy diagnoses in Sweden between 2004 and 2023, associated with high excess mortality rates. The study highlights the need for improved detection and targeted treatments to address this growing public health concern.

SourceUppsala University·JournalJournal of the American College of Cardiology·TypeObservational study·DateJan 28, 2026

Leading cancer deaths in people younger than 50 years

Cancer mortality rates have decreased for breast cancer and leukemia, despite increasing incidence, while colorectal cancer has become the leading cause of death among US young adults. Colorectal cancer surpasses lung, breast, and prostate cancers as the leading cancer-related death in people under 50 years old.

SourceJAMA Network·JournalJAMA·DateJan 22, 2026

Pregnancy- and abortion-related mortality in the US, 2018-2021

A recent study published in JAMA Network Open found that abortion bans are associated with a significant increase in pregnancy-related mortality in the United States. The study suggests that restricting access to safe abortion care forces pregnant individuals to take on increased health risks, leading to higher mortality rates.

SourceJAMA Network·JournalJAMA Network Open·DateJan 21, 2026

Clinical models for predicting 30-day mortality in ARDS: A focus on ventilatory ratio-defined subgroups

The study developed subgroup-specific mortality prediction models for high and low ventilatory ratio (VR) subgroups, achieving improved accuracy in short-term mortality prediction. Minute ventilation is a key predictor for the high VR subgroup, while respiratory rate, hypocapnia, and acidemia are unique predictors for the low VR subgroup.

SourceJournal of Intensive Medicine·JournalJournal of Intensive Medicine·TypeObservational study·DateJan 7, 2026

Alcohol-related hospitalizations from 2016 to 2022

The study found a significant increase in alcohol-related hospitalizations between 2016 and 2022, with rising mortality rates and extended lengths of stay. Preventive efforts are needed to reduce population-level alcohol consumption and improve treatment outcomes for individuals with alcohol use disorder.

SourceJAMA Network·JournalJAMA Network Open·DateDec 23, 2025

A decline in churchgoing linked to more deaths of despair

A decline in churchgoing among middle-aged, less educated white Americans is linked to increased mortality rates from drug overdoses, suicide, and alcoholic liver disease. The study found that states with the largest declines in churchgoing experienced larger increases in deaths of despair, starting years before the opioid crisis began.

SourceOhio State University·JournalJournal of the European Economic Association·TypeData/statistical analysis·DateDec 18, 2025

Saving lives, not raising birthrates, is Eastern Europe’s best hope against population decline

A new study reveals that reducing mortality through large-scale investment in public health is a more effective and ethically sound strategy than encouraging people to have more children. By focusing on lowering mortality rates, countries can slow population decline and maximize the return on investment in their existing population.

SourceInternational Institute for Applied Systems Analysis·JournalBulletin of the World Health Organization·DateDec 15, 2025

1 in 4 children with major traumatic injuries not cared for in pediatric trauma centres

Research shows that 77% of severely injured children are transported or transferred to pediatric trauma centers, highlighting the need for improved access and evidence-based strategies. Variability in access exists across Canadian provinces, with some areas having higher access than others.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeObservational study·DateDec 15, 2025

Older age, chronic kidney disease and cerebrovascular disease linked with increased risk for paralysis and death after West Nile virus infection

A study published in JAMA Network Open found that older adults with chronic kidney disease or cerebrovascular disease are at double the risk for developing neuroinvasive West Nile virus infection, which can lead to paralysis and death. The study identified several risk factors, including male sex, immune suppressants, and multiple scle...

SourceUniversity of California - Los Angeles Health Sciences·JournalJAMA Network Open·TypeData/statistical analysis·DateDec 10, 2025

Can risk prediction tools identify patients at risk of overdose or death after “before medically advised” hospital discharge?

Researchers developed two risk prediction models to estimate the risk of death and illicit drug overdose in patients discharged against medical advice. Multimorbidity, heart disease, cancer, homelessness, and opioid use disorder were strong predictors of death and overdose, respectively.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeComputational simulation/modeling·DateNov 11, 2025

Hospital patients who feel short of breath are six times more likely to die

Research published in ERJ Open Research suggests that assessing hospital patients' reported shortness of breath could help doctors prioritize care for those at high risk of death. Patients who developed shortness of breath were six times more likely to die than those who did not, with a higher rating indicating greater risk.

SourceEuropean Respiratory Society·JournalERJ Open Research·TypeExperimental study·DateNov 9, 2025

Significant variations in survival times of early onset dementia by clinical subtype

A study of 12,490 dementia cases found significant variations in survival times among early onset dementia patients by clinical subtype. The study revealed that those with frontotemporal dementia or Lewy body dementia had the shortest survival time, while Alzheimer's disease and vascular cognitive impairment had longer average survival...

SourceBMJ Group·JournalJournal of Neurology Neurosurgery & Psychiatry·TypeObservational study·DateNov 4, 2025

Liver transplantation utilizing grafts donated after medical assistance in dying is feasible and has outcomes comparable to standard donation

A new study in the Journal of Hepatology shows liver transplantation from MAiD donors yields similar survival rates as standard donation after circulatory death. This practice can significantly expand the donor pool, leading to more organs available for transplant and potentially saving thousands of lives.

SourceElsevier·JournalJournal of Hepatology·TypeData/statistical analysis·DateOct 27, 2025

Common hospice medications linked to higher risk of death in people with dementia

A new study finds that benzodiazepines and antipsychotics prescribed to patients with dementia receiving hospice care may carry major unintended risks, including increased mortality. The study highlights two policy issues: lack of oversight of medication use in hospice and a mismatch between hospice policy and dementia care.

SourceMichigan Medicine - University of Michigan·JournalJAMA Network Open·TypeData/statistical analysis·DateOct 14, 2025

Global disparities in premature mortality

A new cross-sectional study reveals significant disparities in premature mortality across the globe, highlighting unequal access to health-enhancing technologies and living standards. The research emphasizes the need for rapid and fair dissemination of technological and medical advancements to universalize health benefits.

SourceJAMA Network·JournalJAMA Health Forum·DateOct 3, 2025

Cyclones increase risk of death for children under five

A new study estimates that tropical cyclones cause the death of 850,000 children under five from 2000 to 2020. The research found a significant link between cyclone exposure and child mortality, emphasizing the urgent need for disaster preparedness in vulnerable regions.

SourcePLOS·JournalPLOS Medicine·TypeObservational study·DateSep 25, 2025

Alcohol consumption per capita and suicide

A systematic review and meta-analysis found a strong association between alcohol consumption per capita and an increase in suicide mortality rates. The study suggests that targeting alcohol consumption may be a useful strategy for comprehensive national suicide prevention efforts.

SourceJAMA Network·JournalJAMA Network Open·DateSep 22, 2025

Overweight and obesity don’t always increase the risk of an early death, Danish study finds

A Danish study found that individuals with a normal weight range (22.5-25 kg/m2) had the lowest mortality rate, followed by those in the overweight category. However, being underweight was associated with a significantly higher risk of death, while severe obesity was linked to a slightly increased risk. The study suggests that BMI may ...