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Folic acid plays a dual role in breast cancer depending on dose and context. While moderate intake may reduce risk, high levels or genetic variants disrupting metabolism may promote tumor progression via altered DNA methylation.

The use of nicotine pouches - small, easily concealed sachets of nicotine and additives that are placed between the gum and lip - nearly doubled among U.S. high school students between 2023 and 2024, according to a new USC study.

Researchers from the University of California San Diego have found that Mindfulness-Oriented Recovery Enhancement (MORE) can help rewire the brain's response to natural healthy pleasure, leading to improved mood, greater attention to positive experiences and reduced opioid cravings.

Despite steady increases in rates of immediate breast reconstruction (IBR) after mastectomy, racial disparities in IBR have persisted in the years since implementation of the Affordable Care Act (ACA), reports a study in the May issue of Plastic and Reconstructive Surgery, the official medical journal of the American Society of Plastic Surgeons.

A new systematic review has found that parents and other child caregivers who have alcohol-related diagnoses are twice as likely to maltreat children in their care than parents and caregivers with no alcohol-related diagnoses.

Found in the Finnish population, a rare variant of the TYROBP gene significantly increases the risk of Alzheimer's disease, a new study led by the University of Eastern Finland shows.

Researchers explore the medicinal role of curcumin in the treatment and prevention of neuroinflammation and metabolic disorders.

Novel Mpro inhibitors exhibit broad activity against SARS-CoV-2 and other coronaviruses.

ADHD can exacerbate anxiety, and anxiety can exacerbate ADHD. Girls are particularly vulnerable to developing anxiety disorders, but researchers have recently discovered something that may help slow down – or prevent – the development of these types of disorders.

Researchers at UCL have uncovered why individuals who experience anxiety and depression often struggle with persistent low self-belief in their abilities.

Exercise can counter the detrimental effects of cancer treatment, such as heart and nerve damage and brain fog, suggests an overarching review of the existing pooled data analyses of the most recent research, published online in the British Journal of Sports Medicine.

A higher tax on cigarettes in low and middle-income countries can help to reduce child mortality, especially amongst the poorest children, a new study led by researchers at Karolinska Institutet and published in The Lancet Public Health suggests.

Employing too few permanent nurses on hospital wards is linked to longer inpatient stays, readmissions, patient deaths, and ultimately costs more in lives and money, finds a long term study published online in the journal BMJ Quality & Safety.

Cholera kills thousands of people and infects hundreds of thousands every year-and cases have spiked in recent years, leaving governments with an urgent need to find the best ways to control outbreaks.

Analyzing data from the 2016-2021 National Inpatient Sample, UCLA researchers found that 25% of 7350 patients hospitalized for scooter-related injuries were using substances such as alcohol, opioids, marijuana and cocaine when injured.

From 2010 to 2020, breast cancer deaths among women ages 20-49 declined significantly across all breast cancer subtypes and racial/ethnic groups, with marked declines starting after 2016, according to an analysis of data from the Surveillance, Epidemiology, and End Results (SEER) registry presented at the American Association for Cancer Research (AACR) Annual Meeting 2025, held April 25-30.

Lung cancer can co-opt genes that normally help a fetus develop and evade the mother's immune system. And while these pregnancy-specific glycoproteins (PSGs) can get activated in the cancers of both men and women, female patients had poorer outcomes, a Memorial Sloan Kettering Cancer Center (MSK) research team has found.

Financial toxicity, the financial distress linked to cancer treatment, significantly impacts patient outcomes. To combat this, the Atrium Health Levine Cancer Institute established a Financial Toxicity Tumor Board in 2019.

People who have damage to a specific part of their brains are more likely to be impulsive, and new research has found that damage also makes them more likely to be influenced by other people.

The menopause transition is often accompanied by a wide array of symptoms, some of which receive more attention than others.