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JAMA Network


Aspirin vs placebo as adjuvant therapy for breast cancer

A randomized clinical trial of 3,020 patients with high-risk nonmetastatic breast cancer found daily aspirin therapy had no effect on breast cancer recurrence or survival in early follow-up. Aspirin should not be recommended as an adjuvant breast cancer treatment despite its potential benefits and wide availability

SourceJAMA Network·JournalJAMA·DateApr 29, 2024

Association of new-onset seizures with SARS-CoV-2 vaccines

A systematic review and meta-analysis found no association between new-onset seizures and SARS-CoV-2 vaccination. The study included over 118,000 participants from randomized clinical trials and found the incidence proportion of new-onset seizures to be similar across vaccine recipients and unvaccinated participants.

SourceJAMA Network·JournalJAMA Neurology·DateApr 29, 2024

Psychiatric symptoms, treatment uptake, and barriers to mental health care among US adults with post–COVID-19 condition

A nationally representative study of 25,000 participants found that US adults with post-COVID-19 condition are more likely to experience depression and anxiety symptoms than the general population. Individuals with these symptoms reported higher rates of cost-related barriers to accessing mental health treatment.

SourceJAMA Network·JournalJAMA Network Open·DateApr 25, 2024

Long-term taste and smell outcomes after COVID-19

Researchers found that objective taste dysfunction disappeared one year after COVID-19 exposure, while nearly a third of individuals experienced lasting smell loss. Infection with Alpha variants was associated with the greatest degree of smell loss, highlighting a potential link between variant types and symptom severity.

SourceJAMA Network·JournalJAMA Network Open·DateApr 23, 2024

Examining sex differences in autism heritability

A study of over 1 million Swedish children reveals that genetic differences contribute to phenotypic variation in autism spectrum disorder, differing significantly between males and females. The findings suggest underlying causes of autism may differ between the sexes, partly explaining the skewed sex ratio in the condition.

SourceJAMA Network·JournalJAMA Psychiatry·DateApr 17, 2024

Adverse pregnancy outcomes and long-term mortality in women

A national cohort study of over 2 million Swedish women found that those experiencing five major adverse pregnancy outcomes had significantly higher mortality rates. The study highlights the importance of early preventive evaluation and long-term follow-up for detection and treatment of chronic disorders associated with premature morta...

SourceJAMA Network·JournalJAMA Internal Medicine·DateApr 15, 2024

Trends in deaths of despair by race and ethnicity

Midlife mortality rates for deaths of despair, including suicide, overdose, and liver disease, vary by race and ethnicity, with higher rates among Black and American Indian/Alaska Native populations. Early mortality from drug- and alcohol-related causes contributes to these disparities.

SourceJAMA Network·JournalJAMA Psychiatry·DateApr 10, 2024