Large genetic study links cannabis use to psychiatric, cognitive and physical health

The presence of cellphones can have a negative impact on family relationships and youth mental health, according to two new studies from the University of Georgia.

A lot of research has been dedicated to understanding what makes people believe in conspiracies—and how they might be able to climb out of the rabbit hole again.

The rate of Americans diagnosed with digestive disorders and gastrointestinal cancers is rising, especially in those ages 50 and younger, so researchers in the Penn State Department of Nutritional Sciences are studying how processed food additives affect humans' gastrointestinal health.

Cholera is a severe diarrheal disease caused by consuming water or food contaminated with the bacteria Vibrio cholerae. Symptoms include diarrhea and vomiting, which can lead to severe dehydration. It can strike quickly, sometimes within hours of exposure, and without prompt treatment, it can be fatal.

As the autumn's cool weather settles in, so does flu season—bringing with it the familiar experiences of sniffles, fever and cough.

People often joke that their favorite snack is "like crack" or call themselves "chocoholics" in jest.

Do your gums look red and often bleed when you brush them, but they're not painful? If so, you could have the gum disease gingivitis.

A major shift is unfolding in the field of skin cancer prevention, ignited by new research showing that an everyday vitamin supplement may prevent many cases of the world's most frequently diagnosed cancer.

Sepsis, or infection causing life-threatening organ dysfunction, is a leading cause of death in children worldwide. In efforts to prevent this rare but critical condition, researchers developed and validated AI models that accurately identify children at high risk for sepsis within 48 hours, so that early preemptive care can be provided.

A multi-center randomized controlled trial with critically ill adults aged 50 years and older admitted to intensive care units (ICUs) found that twice-daily slow-tempo music (60 to 80 beats per minute) did not shorten the duration of delirium or coma, or reduce delirium severity, pain or anxiety compared with a silence-track control.

As the Food and Drug Administration moves to make folinic acid an official treatment for a neurological condition associated with autism, parents want to know how it might help children with autism spectrum disorder.

Low cholesterol can reduce the risk of dementia, a new University of Bristol-led study with more than a million participants has shown.

We've all heard warnings about BPA—a chemical found in plastics and personal care products. Studies show that nearly 90% of Americans have detectable levels of BPA in their bodies. Now, University of Cincinnati College of Medicine research has revealed this everyday exposure is tied to changes in the heart's electrical system.

Scientists have found that ADHD (Attention-Deficit/Hyperactivity Disorder) in women is diagnosed approximately five years later than in men, despite symptoms appearing at the same age. Women with ADHD also suffer greater emotional and functional difficulties than men.

Veterans Research and Education Foundation of St. Louis reports that the 2024–2025 COVID-19 vaccine was associated with lower risks of COVID-19–related emergency visits, hospitalizations, and deaths in a national cohort of U.S. veterans.

New research from the George Washington University shows the hidden toll of work injuries caused by workplace exposure to extreme heat in the United States. The new research supports an Occupational Safety and Health Administration (OSHA) national standard protecting workers exposed to extreme heat.

Florey researchers have shown that a father's SARS-CoV-2 viral infection before conception can alter their offspring's brain development and behavior, through changes in sperm. Lead researcher Professor Anthony Hannan said the study in mice suggested that COVID-19 could have long-lasting effects on future generations. The findings have been published in Nature Communications.

A new UNSW Sydney and Black Dog Institute study has found that an intensive, one-week online therapy program can significantly reduce symptoms of social anxiety disorder (SAD)—the most common anxiety disorder in Australia, affecting about 1 in 7 people each year.