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Students with lower self-control tend to procrastinate with short-form video; sleep suffers, but not grades, study finds

A study found that college students with lower self-control and habitual use of short-form videos experience poorer sleep health and higher stress, but not diminished academic performance. Researchers suggest that institutions of higher learning and society can help by providing holistic mental health and student health outreach services.

SourceUniversity of Kansas·JournalCyberpsychology Behavior and Social Networking·TypeSurvey·DateMar 9, 2026

Long COVID and recovery among US adults

A recent study found that nearly 6 in 10 long COVID patients have recovered, but many adults over 35 continue to experience lasting symptoms. The study's authors suggest greater investment in understanding biological mechanisms may provide insights into pathways of persistence and potential targets for intervention.

SourceJAMA Network·JournalJAMA Network Open·DateMar 2, 2026

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

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

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

Largest study of its kind highlights benefits – and risks – of plant-based diets in children

A large meta-analysis of over 48,000 children found that well-planned plant-based diets can support healthy growth and even offer additional health benefits for children. However, the study also highlights risks of deficiencies in key nutrients such as vitamin B12 and zinc if not obtained through fortified foods or supplements.

SourceTaylor & Francis Group·JournalCritical Reviews in Food Science and Nutrition·TypeMeta-analysis·DateDec 12, 2025

Population-level trends in ADHD medication prescribing

A repeated cross-sectional study found a significant increase in stimulant prescribing for ADHD, with the largest acceleration observed among female adolescents and young adults aged 18 to 64. The study's findings are consistent with prior research but provide new insights into population-level trends.

SourceJAMA Network·JournalJAMA Network Open·DateDec 11, 2025

Cardiovascular events 1 year after RSV infection in adults

A cohort study of adults aged 45 or older with RSV infection found a significant excess risk of cardiovascular events over 1 year, comparable in magnitude to influenza infection. This highlights the importance of RSV as a potential risk factor for cardiovascular morbidity and underscores the need for vaccination to mitigate this burden.

SourceJAMA Network·JournalJAMA Network Open·DateDec 8, 2025

Teens who play video games with gambling-like elements more likely to start real betting, study suggests

A new longitudinal study found that young people who engage in gaming habits with gambling-like elements are more likely to gamble with real money. The research team urges policymakers to broaden regulations beyond loot boxes and includes social casino games, prize wheels, and gambling videos in the scope.

SourceTaylor & Francis Group·JournalInternational Gambling Studies·TypeObservational study·DateNov 19, 2025

Study finds Kansas City fare-free bus policy attracted new riders, increased overall use

A study by the University of Kansas found that Kansas City's zero-fare bus policy attracted 17% of respondents who started using bus service, particularly among younger people and white residents. The policy also increased overall bus use, with new users without vehicle access making more trips per week than those with access.

SourceUniversity of Kansas·JournalTransport Policy·TypeSurvey·DateNov 10, 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

Many older adults – especially Gen X women – show signs of addiction to ultra-processed foods

A study found that 21% of Gen X women and 10% of men meet criteria for ultra-processed food addiction, with a higher prevalence in older women. The study highlights the link between ultra-processed foods and risk of chronic disease and premature death, particularly among those who perceive themselves as overweight.

SourceMichigan Medicine - University of Michigan·JournalAddiction·TypeSurvey·DateSep 29, 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

Valentin Fuster, MD, Ph.D., given prestigious honor of presenting the inaugural World Heart Federation oration lecture

Dr. Valentin Fuster, a renowned cardiovascular expert, has been awarded the inaugural World Heart Federation oration lecture for his groundbreaking work in promoting global cardiovascular health. He will discuss early detection and education as key strategies for preventing heart disease, focusing on low- and middle-income countries.

Self-reported hearing aid use and risk of incident dementia

A recent study published in JAMA Neurology suggests that using hearing aids can lower the risk of developing dementia, particularly in individuals under age 70. This finding highlights the importance of early intervention for hearing loss and its potential role in preventing age-related cognitive decline.

SourceJAMA Network·JournalJAMA Neurology·DateAug 18, 2025