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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

Feeling in control helps beat daily stress, researchers find

Researchers found that feeling in control over everyday stressors can lead to a 62% increase in resolving the issue. The relationship strengthens with age, suggesting that controlling one's sense of control can be a resource for managing daily life and impact health outcomes.

SourcePenn State·JournalCommunications Psychology·TypeData/statistical analysis·DateSep 30, 2025

Olfactory dysfunction after SARS-CoV-2 infection

A cohort study investigated olfactory dysfunction in US adults with and without prior SARS-CoV-2 infection. The study found a significant association between prior infection and persistent olfactory dysfunction. High variability was observed among individuals, highlighting the need for individualized assessment and treatment strategies.

SourceJAMA Network·JournalJAMA Network Open·DateSep 25, 2025

Acupuncture for chronic low back pain in older adults

A randomized clinical trial found that acupuncture provided greater improvements in back pain-related disability compared to usual medical care alone. The study suggests that acupuncture needling is an effective and safe treatment option for older adults with chronic low back pain.

SourceJAMA Network·JournalJAMA Network Open·DateSep 12, 2025

High consumption of ultra-processed foods linked to systemic inflammation

High consumption of ultra-processed foods is associated with higher levels of systemic inflammation and a greater risk of cardiovascular disease. The study found that individuals who consumed the most ultra-processed foods had significantly higher levels of high-sensitivity C-reactive protein, a key marker of inflammation.

SourceFlorida Atlantic University·JournalThe American Journal of Medicine·TypeMeta-analysis·DateSep 9, 2025

GLP-1 receptor agonists and cancer risk in adults with obesity

A retrospective cohort study found that GLP-1 receptor agonists may reduce overall cancer risk, including lower risks of endometrial and ovarian cancers, among patients with obesity or overweight. However, these medications may also increase the risk of kidney cancer, highlighting the need for longer-term follow-up.

SourceJAMA Network·JournalJAMA Oncology·DateAug 21, 2025

Cost-effectiveness of 2023-2024 COVID-19 vaccination in US adults

A modeling study finds that COVID-19 vaccination is more cost-effective for individuals aged 65 and above, with favorable results across different parameter input scenarios. The study's findings support the Advisory Committee on Immunization Practices' decision to recommend vaccination with the 2023-2024 mRNA vaccines.

SourceJAMA Network·JournalJAMA Network Open·DateAug 7, 2025

Safety of JN.1-updated mRNA COVID-19 vaccines

A nationwide cohort study of 1 million adults found no increased risk of 29 adverse events after vaccination with the updated COVID-19 mRNA vaccine containing the SARS-CoV-2 Omicron JN.1 lineage. The study provides reassuring safety data on the new vaccine, which has been widely adopted in response to the Omicron variant

SourceJAMA Network·JournalJAMA Network Open·DateJul 28, 2025

Long-term obesity and biological aging in young adults

Chronic health issues may emerge from long-term obesity in young adults, leading to epigenetic alterations, telomere attrition, and impaired nutrient sensing. The study found a significant association between long-term obesity and accelerated biological aging, highlighting the importance of addressing obesity early on.

SourceJAMA Network·JournalJAMA Network Open·DateJul 11, 2025

Prescription weight loss medication linked to disordered eating behaviors in boys and men

A recent study of 1,543 males aged 15 to 35 found that those who used prescription weight loss medications reported significantly higher levels of disordered eating behaviors and attitudes. The study suggests that boys and men may face unique pressures or vulnerabilities related to body image and weight control, highlighting the need f...

SourceUniversity of Toronto·JournalEating Behaviors·DateJul 10, 2025

USC study: mindfulness meditation can sharpen attention in adults of all ages

A new study from the University of Southern California reveals that just 30 days of guided mindfulness meditation can significantly enhance key aspects of attentional control. The study demonstrates that even short-term meditation can lead to measurable cognitive improvements, particularly in reaction speed.

SourceUniversity of Southern California·JournaleNeuro·TypeRandomized controlled/clinical trial·DateJul 8, 2025

Cannabidiol and liver enzyme level elevations in healthy adults

A randomized clinical trial found that cannabidiol (CBD) administration led to liver enzyme level elevations in 5.6% of participants and potential drug-induced liver injury in 4.9%. Hepatic enzymes returned to normal within weeks after discontinuation. Further research is needed on CBD's long-term effects and safety.

SourceJAMA Network·JournalJAMA Internal Medicine·DateJul 7, 2025

Social outcomes among adults with hearing aids and cochlear implants

A systematic review and meta-analysis reveals that adults with hearing loss can enhance social engagement and functional outcomes by using hearing aids or cochlear implants. The study suggests that these devices should be encouraged for individuals with hearing loss to potentially improve their quality of life.

SourceJAMA Network·JournalJAMA Otolaryngology–Head & Neck Surgery·DateJul 3, 2025

Alcohol-associated liver disease mortality

This cross-sectional study reveals a substantial rise in alcohol-associated liver disease mortality, particularly among women and younger adults. The findings highlight the importance of targeted public health initiatives to address this growing health concern.

SourceJAMA Network·JournalJAMA Network Open·DateJun 11, 2025

More young adults than ever take HIV-prevention medication, but gaps remain

A new study found that eight times more American young adults now take HIV-prevention medication than a decade ago, but inconsistent use and barriers persist. PrEP can reduce the chances of acquiring HIV by 99%, emphasizing the need for healthcare providers and public health agencies to promote consistent use among high-risk patients.

SourceMichigan Medicine - University of Michigan·JournalJournal of General Internal Medicine·TypeData/statistical analysis·DateMay 23, 2025

US excess deaths continued to rise even after the COVID-19 pandemic

A new study led by Boston University School of Public Health reveals that US excess deaths have been increasing for decades, with working-age adults disproportionately affected. The study found that over 1.5 million 'missing Americans' would have been averted if the US had mortality rates similar to other high-income countries.

SourceBoston University School of Public Health·JournalJAMA Health Forum·TypeObservational study·DateMay 23, 2025

One in ten asthma cases can be avoided with a better urban environment

A new study from Karolinska Institutet found that combining air pollution, dense urban development, and limited green spaces increases the risk of asthma. In contrast, a more favorable environment can prevent up to 11.6% of asthma cases, suggesting that urban planning can play a crucial role in reducing the disease.

SourceKarolinska Institutet·JournalThe Lancet Regional Health - Europe·TypeObservational study·DateMay 15, 2025