Since the Affordable Care Act subsidies expired at the end of 2025, Americans have undoubtedly been encountering a great deal of confusing information surrounding health care costs and insurance plans.

Weight-loss injections that have become famous for helping people shed pounds may also help some patients with advanced cancer live longer when the disease has spread to the brain, according to a new study.

A cross-sectional NHANES study of 2,582 U.S. women found that higher ultra-processed food intake was associated with lower odds of being classified as fertile based on self-reported infertility history. Greater Mediterranean diet adherence was linked to higher odds of fertility in adjusted models, but that association was no longer significant after accounting for obesity.

Two large phase 3 trials found that oral semaglutide 14 mg did not slow cognitive or functional decline over 104 weeks in people with early symptomatic, amyloid-positive Alzheimer’s disease. Semaglutide was generally consistent with its known safety profile and showed some biomarker changes, but these did not translate into clinical benefit.

In a large target trial emulation of 174,678 people with type 1 diabetes, GLP-1 receptor agonist initiation was associated with lower risks of major cardiovascular events and end-stage kidney disease over five years. The study also found no increased risk of hospitalization for diabetic ketoacidosis or severe hypoglycemia, supporting further randomized trials of GLP-1RAs as adjunctive therapy in type 1 diabetes.

Most of the genetic risk for developing a substance use disorder comes from genes that broadly affect how our brains process rewards, regulate impulses and weigh consequences – not from genes that specifically influence substance use disorder or any single drug.

Losing health insurance can quickly worsen health for people with diabetes as patients struggle to control the disease after coverage is interrupted, according to new research from Oregon Health & Science University,

A drug that is already in clinical trials against hepatitis C virus can also prevent hepatitis E virus from replicating.

Since 2021, forensic science academics at Anglia Ruskin University have partnered with the UK's leading alcohol charity Drinkaware to track the prevalence of drink spiking through national surveys, undertaken by YouGov. The most recent survey, carried out in summer 2025 and involving 7,256 UK adults, found that approximately 2% of adults reported being a victim of drink spiking in the previous 12 months. When extrapolated across the UK population, this equates to nearly one million people.

About 11% of Australians will develop post-traumatic stress disorder (PTSD) at some point in their life.