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Nurses can safely deliver many services traditionally performed by doctors, with little to no difference in deaths, safety events, or how patients felt about their health, according to a new Cochrane review.

nationwide Icelandic cohort study found that better alignment with infant nutrition guidelines was associated with lower odds of obesity at ages 6 and 9 years. Associations were inconsistent at younger ages, highlighting the complex and multifactorial nature of childhood weight outcomes.

Global aquaculture produces substantial essential nutrients, but international trade patterns often shift these nutrients away from nutritionally vulnerable countries. Modelling suggests alternative trade and fishmeal use strategies could improve micronutrient equity while highlighting important food system trade-offs.

Researchers engineered CD4+ chimeric antigen receptor T cells targeting fibrillar amyloid beta and tested them in a mouse Alzheimer model. The preclinical study showed reduced amyloid pathology and altered neuroimmune responses, supporting CAR-T immunotherapy as a potential future Alzheimer strategy.

Numerous potential treatments for neurological conditions, including autism spectrum disorders, have worked well in lab mice but then disappointed in humans.

A new paper in Nicotine and Tobacco Research, published by Oxford University Press, finds that people experiencing more economic disadvantages are more likely to smoke cigarettes, have higher levels of tobacco addiction, and find it harder to quit than those who are most advantaged.

Researchers have identified a promising new speech biomarker that could significantly enrich clinical trials by reducing sample size requirements and enhancing statistical outcomes.

South Asian adults in the U. S. were more likely to have risk factors for atherosclerotic cardiovascular disease (ASCVD) by age 45 when compared to white, Black, Chinese or Hispanic adults in the same age group, according to a study published today in the Journal of the American Heart Association, an open access, peer-reviewed journal of the American Heart Association.

Adults living in rural communities often travel long distances when seeking treatment for cancer, but distant travel may not always be necessary to receive high-quality surgical care, according to a new analysis published in the Journal of the American College of Surgeons (JACS).

The quality of a low-carbohydrate or low-fat diet may matter more than the amount of carbohydrates or fat consumed when it comes to reducing heart disease risk, according to a new study published in JACC, the flagship journal of the American College of Cardiology.

Chemotherapy remains one of the most powerful tools in the fight against cancer, yet it often comes with significant long-term side effects that can dramatically affect patients' quality of life.

Polycystic ovary syndrome (PCOS) affects 6%−20% of reproductive-aged women, and is commonly accompanied by irregular menstrual cycles and anovulatory infertility.

A new study has found that nighttime noise exposure is associated with changes in blood cholesterol and lipid-related metabolites in adults, which are known risk factors for cardiometabolic diseases.

Diabetic retinopathy develops through complex microvascular damage driven by chronic hyperglycemia, yet traditional risk factors such as disease duration or glycemic control explain only part of individual risk.

Prescribing daily aspirin at the first prenatal visit to all pregnant patients was associated with an overall reduction in the development of severe preeclampsia, according to new research presented today at the Society for Maternal-Fetal Medicine (SMFM) 2026 Pregnancy Meeting.

Because many different types of cancer cells overexpress programmed death-ligand 1 (PD-L1), this cell surface protein is a major target of cancer immunotherapy.

Studies have reported on survival probabilities of people born with open spina bifida, a condition where the spinal cord and nerves are exposed through an opening in the back.

A prior abortion or miscarriage was not linked with an increased risk of developing pre- or postmenopausal breast cancer in a study published in Acta Obstetricia et Gynecologica Scandinavica.

In 2016, Poland introduced a nationwide policy eliminating all out-of-pocket costs for prescription drugs prescribed by healthcare professionals to individuals aged 75 and older.

South Asian adults in the U.S. report doing many of the right things for heart health, yet they show significantly higher rates of prediabetes, diabetes and hypertension than white and Chinese adults, and higher than or roughly similar rates to Black and Hispanic patients, according to a new study led by Northwestern Medicine.