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Male contraception has barely changed in a century. What comes next?

A review traces more than 5,000 years of male contraception, from early penile sheaths and the development of modern condoms and vasectomy to today's search for reversible alternatives. Researchers are now testing hormonal gels, non-hormonal compounds and vas-occlusive technologies, although these approaches remain at different stages of preclinical and clinical development.

15 Sep 2026

College BORG drinking associated with blackouts and other alcohol-related harms

A newly popular college drinking trend, the blackout rage gallon (BORG), fosters binge drinking and can lead to a host of alcohol-related harms, according to a new study in the Journal of Studies on Alcohol and Drugs, published at Rutgers University.

15 Sep 2026

Living in disadvantaged neighborhoods linked to adverse brain health

In a study analyzing nearly 3,000 brain MRI exams, researchers found that living in highly disadvantaged neighborhoods was associated with adverse brain health.

15 Sep 2026

Study raises questions about AI's role in decision support for ethically sensitive situations

Artificial intelligence (AI) models prioritize starkly different attributes than humans when making high-stakes decisions, and they don't express indecision like humans do, according to a new study led by Penn State researchers, raising questions about the role of AI in decision support for ethically sensitive situations like medical decisions.

15 Sep 2026

Advanced AI cell models redefine modern cell biology research

Researchers at Stanford Medicine have developed two new artificial intelligence models of the biological cell.

15 Sep 2026

Cardiovascular disease surpasses cancer as top killer of Hispanic populations in the U.S.

Cardiovascular disease has surpassed cancer as the leading cause of death among Hispanic adults in the U.S., driven by rising rates of obesity, diabetes, high blood pressure and other risk factors that often begin earlier in life for Hispanic people.

15 Sep 2026

Nationwide safety program successfully cuts hospital-onset MRSA infections

A large-scale, federally funded quality improvement program developed in collaboration with infection prevention experts at the Johns Hopkins Armstrong Institute for Patient Safety and Quality was associated with a 65% reduction in hospital-onset bloodstream infections caused by methicillin-resistant Staphylococcus aureus (MRSA) among participating hospital units.

15 Sep 2026

Mobile LDCT lung cancer screening can reach vulnerable populations in resource-limited settings

Mobile low-dose computed tomography (LDCT) screening can reach high-risk and socially vulnerable populations in resource-limited settings, according to initial results from the Third Brazilian Early Lung Cancer Trial (BRELT3) presented at the International Association for the Study of Lung Cancer (IASLC) 2026 World Conference on Lung Cancer (WCLC).

15 Sep 2026

A study of more than 21,000 adults found an unusual link between psilocybin and diet

Using data from more than 21,800 adults in two UK birth cohorts, researchers found that lifetime psilocybin and LSD use was associated with stronger pro-environmental attitudes and a greater likelihood of following a vegetarian diet, with psilocybin showing the clearer dietary pattern. Mediation analyses suggested that environmental attitudes statistically accounted for the psilocybin-vegetarianism association and part of the association with lower red meat consumption, but the observational design cannot establish causation.

15 Sep 2026

Ultra-processed foods enter babies’ diets early. What comes with them?

In a Denver cohort of 114 healthy infants, higher ultra-processed food intake during complementary feeding was associated with greater added sugar and sodium intake at 9 and 12 months. UPF intake showed no consistent relationship with growth through 12 months, while dietary diversity was not reduced among infants consuming more UPFs.

14 Sep 2026

A study of ayahuasca users found a mental health pattern researchers cannot yet explain

In a cross-sectional study of 808 Brazilian adults planning to attend ayahuasca ceremonies, greater prior experience with the brew was associated with lower depression, anxiety, and stress scores, as well as higher spiritual well-being and stronger metaphysical beliefs. Because the study was observational and relied on self-reported data, it cannot show that ayahuasca caused these differences.

13 Sep 2026

A large US study found no overall link between fluoride in pregnancy and children’s behavior

A US cohort study of 5,520 children found no overall association between prenatal exposure to fluoride in public drinking water and internalizing or externalizing behavioral problems across the primary analyses. Exploratory analyses identified some associations with externalizing problems at higher fluoride concentrations and in certain subgroups, but the researchers said these findings require further investigation.

13 Sep 2026

Rare cortical neurons actively promote the transition into sleep

What makes the brain fall asleep? For nearly a century, scientists have looked to structures deep within the brain for the answer.

11 Sep 2026

FDA clears trial of dual-targeted CAR T-cell therapy for cancer

The U.S. Food and Drug Administration this week granted permission for investigators at the University of Colorado Anschutz to conduct a clinical trial testing genetically engineered immune cells in adults with advanced colorectal cancer and pediatric patients with solid cancers who have exhausted standard treatment options.

11 Sep 2026

Lupus-linked genetic variants may boost antiviral immunity

Why do genetic variants that increase the risk of autoimmune disease remain so common in the population?

11 Sep 2026

Scientists discover tiny protein region that shapes tooth enamel

Tooth enamel looks simple from the outside and consists of a hard, smooth surface built to withstand years of wear.

11 Sep 2026

New AI model maps billions of years of protein evolution

An international team of researchers, including Earth-Life Science Institute (ELSI) at the Institute of Science Tokyo, has developed a protein language model that brings together two fundamental sources of information about proteins: their amino acid sequences and their three-dimensional structures.

11 Sep 2026

Finnish study finds working from home increases sedentary behavior

According to a Finnish study, people sleep slightly longer when they work from home. However, they also sit more and are less physically active than on days when they work in the office.

11 Sep 2026

Neighborhood environments impact long-term health of 9/11 responders

Twenty-five years after the September 11 terrorist attacks, researchers at the Icahn School of Medicine at Mount Sinai have found that environmental conditions where World Trade Center responders live may influence their long-term physical and mental health.

11 Sep 2026

People with ADHD face higher odds of gastrointestinal problems

University of Warwick researchers have analyzed data from over 1.9 million people across 23 studies and found that ADHD is linked to an almost 50% increase in overall gastrointestinal symptoms compared with people without ADHD The association was even stronger for specific problems: nearly double the odds of constipation, a 58% increase in irritable bowel syndrome, and more than four times the odds of encopresis (loss of bowel control).

10 Sep 2026