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The study, published in The Lancet Healthy Longevity, looked at data from 9,436 people aged 40 or over (with an average age of 58) in 12 countries, comparing cognitive test results among people who quit smoking with those of a matched control group who kept smoking.

Around 70% of women who suffer a sexual assault develop PTSD; now scientists have shown that many of these women show a marked reduction in the usual communication between two important brain areas involved in processing and control of emotions, the amygdala and the pre-frontal cortex.

When anesthesiologists lead the preoperative process, patients undergoing surgery for hip fractures - one of the leading causes of hospitalization in older adults - get to the operating room (OR) faster and have fewer complications, according to a study presented at the ANESTHESIOLOGY® 2025 annual meeting.

People 60 and older who are excessively sleepy during the day may have more problems with memory and thinking after surgery, suggests a study presented at the ANESTHESIOLOGY 2025 annual meeting.

Infertility affects about one in six couples, and male factors account for roughly half of all cases-often because sperm don't swim well.

A major international study has uncovered a new vulnerability in prostate cancer cells that could help improve treatment for one of the most common cancers affecting men.

Many advanced cancers develop resistance to treatment and become highly aggressive, often leaving patients with limited treatment options.

How do people keep the beat to music? When people listen to songs, slow waves of activity in the brain correspond to the perceived beat so that they can tap their feet, nod their heads, or dance along.

A rapid investigation in North East England uncovered 25 cases of iatrogenic botulism linked to cosmetic injections using unlicensed, highly potent botulinum products. The study exposes critical safety failures in practitioner conduct and highlights urgent regulatory gaps in the booming cosmetic injectables industry.

Hypothermia can preserve neuron health following brain injury, but complications from external cooling make it less promising therapeutically.

University of Cambridge scientists have used human stem cells to create three-dimensional embryo-like structures that replicate certain aspects of very early human development - including the production of blood stem cells.

This large school-based study of over 7,400 UK adolescents found a high prevalence of eating disorder symptoms, particularly among girls, gender-diverse youth and those living in deprived areas. The findings challenge stereotypes, revealing that EDs significantly affect ethnic minority boys and economically disadvantaged groups.

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.

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.

University of California San Diego of Medicine researchers, in collaboration with the genetic testing company 23andMe, have identified regions of the human genome associated with cannabis use, uncovering new relationships with psychiatric, cognitive and physical health.

Genomic newborn screening using whole-genome sequencing identified 1.6% of infants with high-chance, treatable genetic conditions, far beyond the capacity of standard biochemical screening. The BabyScreen+ study demonstrated clinical impact, cascade diagnoses, and strong parental acceptance, while highlighting challenges in scalability and equity.

Postdiagnosis smoking cessation was linked to significantly longer overall survival among cancer patients across all stages, based on real-world electronic health record data. Despite clear survival benefits, only one in five smokers quit within six months of diagnosis, highlighting missed opportunities for intervention.

Kiwifruits, rye bread and high mineral-content water could all help alleviate chronic constipation.

Near-death experiences can have lasting, life-changing effects, and new University of Virginia School of Medicine research sheds light on the types of counseling and support that can best help people cope.

Cancer is a challenging enough diagnosis, but many patients are dealt a second blow, even as they heal: "chemo brain."