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A first-of-its-kind study of U.S. adults suggests that all of those strangers you're friends with on social media are not helping you to feel less lonely.

Sexual arousal can lead to "tunnel vision" that makes it more difficult to recognize when someone is just not that into you, according to new research in Personality and Social Psychology Bulletin.

Since a landmark 2009 study, researchers have known that a common gut bacterium, Bacteroides fragilis, drives colon tumor formation, potentially leading to colorectal cancer, by secreting a toxin that damages the lining of the colon.

Between 1999 and 2022, the US had substantially higher death rates than other wealthy nations, largely due to cardiovascular disease, metabolic diseases (including diabetes), Alzheimer's disease and related dementias, and drug and alcohol complications.

For adults over 60, cannabis use is increasing faster than in any other demographic.

MUSC researchers are tackling MASH, or metabolic dysfunction-associated steatohepatitis, a liver disease affecting hundreds of millions worldwide.

A largely overlooked structure inside our cells may play a crucial role in how the brain forms, offering new insight into developmental disorders and potential therapies.

Investigators at the UCLA Health Jonsson Comprehensive Cancer Center are part of a new multi-institution research effort aimed at improving care and outcomes for patients diagnosed with glioblastoma, one of the most aggressive and difficult-to-treat cancers.

Thousands of times per year, a family's moment of joy turns to unexpected grief. A seemingly healthy infant stops smiling or making eye contact.

As climate change drives more frequent extreme heat and worsening air pollution, researchers are seeking better ways to understand how these exposures affect health in real time.

Scientists have long suspected that androgens, male sex hormones like testosterone, may help tumors grow because the hormones can suppress immune responses to some cancers.

For many people who smoke, quitting is not just a matter of willpower. It is a tug-of-war in the brain – between the pull of reward and the ability to resist.

When danger lurks, instinct keeps us safe. It compels us to run from a burning building or wrestle a knife-wielding attacker to the ground. It also adjusts our body physiology to support these behaviors.

From seasonal farmhands to health care workers to high-level software analysts, immigrant workers play a significant role in companies and industries across Canada and around the globe.

Individuals with diabetes are at an increased risk of developing dementia but those with insulin-requiring type 2 diabetes and type 1 diabetes have the greatest risk, according to research presented at the 28th European Congress of Endocrinology in Prague.

Exercise may offer smokers a simple but effective additional tool when trying to quit, according to a new systematic review led by researchers from the Alliance for Research in Exercise, Nutrition and Activity (ARENA) at Adelaide University.

Organ transplantation remains the cornerstone treatment for end-stage organ failure. While conventional broad-spectrum immunosuppression effectively controls acute rejection, it fails to address chronic rejection and carries long-term side effects including infection, malignancy, and metabolic disorders.

Osteoporosis, a common skeletal disorder, is marked by reduced bone mass and deterioration of bone microarchitecture, making bones more porous and prone to fractures.

Regions with greater socioeconomic inequalities are more affected by cold weather, whereas areas with higher levels of wealth and urbanization are at greater risk during heatwaves and lower risk during cold spells.

Findings from California dairy farms show H5N1 in air and wastewater, indicating overlooked transmission routes and implications for outbreak management.