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Ants show new promise as a source of powerful antibiotics

Has a crucial component to the development of human medicine been hiding under our feet?

18 Dec 2025

Whooping cough cases rise sharply across the United States

Pertussis, also known as whooping cough, is a vaccination-preventable illness that has been on the rise in the United States. Following a several-year lull during the pandemic, cases of whooping cough rose sixfold in 2024 and remain high.

18 Dec 2025

HPV vaccination reduces risk of vulvar and vaginal lesions

Girls who are vaccinated against HPV are not only well protected against cervical cancer; they are also less likely to develop severe precancerous lesions of the vulva and vagina, particularly if they were vaccinated before the age of 17.

18 Dec 2025

Compact Raman imaging system detects tumors with high sensitivity

Researchers have developed a new compact Raman imaging system that is sensitive enough to differentiate between tumor and normal tissue.

18 Dec 2025

Financial strain and food insecurity drive accelerated cardiac aging

A novel analysis investigating the contribution of social determinants of health (SDoH) to cardiac aging has found that financial strain and food insecurity are the strongest drivers of accelerated biological aging and increased mortality risk.

18 Dec 2025

Estrogen drives gut pain and explains higher rates of IBS in women

Women are dramatically more likely than men to suffer from irritable bowel syndrome (IBS), a chronic condition causing abdominal pain, bloating, and digestive discomfort.

18 Dec 2025

Ultra-processed foods linked to higher mortality in Black women with breast cancer

A study from Rutgers Cancer Institute researchers in eClinicalMedicine is the first to link ultra-processed foods to reduced survival in Black women with breast cancer.

18 Dec 2025

Hybrid care improves access to primary care in rural Ontario

Hybrid health options are an underdeveloped, key tool for improving access to primary care in Ontario's remote communities, with a new University of Ottawa study highlighting the positive impact of in-person mixed with virtual care options have in rural regions.

18 Dec 2025

Lung immune cells switch roles to drive allergic inflammation

Alveolar macrophages are immune cells that live in the tiny air sacs of the lungs. Under normal conditions, these cells act as guardians, keeping the lungs healthy, supporting breathing, and preventing unnecessary immune responses.

18 Dec 2025

New breakthrough expands possibilities for PET imaging

Imagine being able to watch organs and tissues work in real time. That's the power of Positron Emission Tomography, or PET imaging, a technology that gives physicians and researchers a window into cellular processes.

18 Dec 2025

Researchers point to mitochondria as a missing link between mental health and brain function

A stressful year leads to anxiety. Lasting isolation gives way to depression. An old trauma nags until it becomes paralyzing.

18 Dec 2025

Orthorexia nervosa links strongly to perfectionism and OCD traits, review shows

This umbrella review synthesised five meta-analyses to estimate the reported prevalence of orthorexia nervosa and examine its psychological correlates. Findings show wide variability in prevalence estimates and consistent links with eating disorder symptoms, obsessive-compulsive traits, and perfectionistic strivings, limited by high methodological heterogeneity.

18 Dec 2025

Study finds Brain Care Score as a strong predictor of stroke across racial groups

A new study from Mass General Brigham found the Brain Care Score (BCS) is a strong predictor of stroke across different racial groups in the U.S.

18 Dec 2025

AI-assisted evaluations can speed autism diagnosis

Access to autism evaluations through specialty health care is notorious for long wait times across the United States.

18 Dec 2025

Fertility preferences remain high in rural Tanzania despite family planning access

Fertility rates in much of Sub-Saharan Africa remain high, despite declining child mortality and improved access to contraceptives and female education - factors that generally lead to smaller families and improved economic conditions in developing countries.

18 Dec 2025

New nanoparticle vaccines show promise against multiple deadly filoviruses

Filoviruses get their name from the Latin word "filum," meaning thread-a reference to their long, filamentous shape. This virus family contains some of the most dangerous pathogens known to science, including Ebola, Sudan, Bundibugyo and Marburg viruses.

18 Dec 2025

Everyday light exposure shapes how alert and mentally sharp we feel outside the lab

This real-world study shows that recent and habitual light exposure are linked to lower subjective sleepiness and faster reaction times in daily life. Brighter and more stable daytime light patterns were associated with better performance on specific cognitive tasks, independent of sleep and time of day.

18 Dec 2025