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For millions of people living with HIV, a daily regimen of medications is a lifelong necessity. If they stop taking the drugs-commonly referred to as antiretroviral therapy-the virus usually rushes back within weeks.

Nationally, heat-related mortality has risen by nearly 17 percent per year since 2016. As a result, New York City now issues heat alerts and opens cooling centers when the heat index is forecast to reach 95 degrees Fahrenheit or higher for at least two consecutive days or a heat index of 100 degrees Fahrenheit or higher for any length of time.

A clinical decision support tool that uses artificial intelligence (AI) to analyze scans after a stroke alongside treatment recommendations is associated with better quality care and long term outcomes for patients compared with usual care, finds a study from China published by The BMJ today.

Adolescents who replaced just half an hour of sedentary behaviors, such as sitting on the couch or spending time at the computer, each day for moderate-to-vigorous physical activity or sleep may lower their insulin resistance, a key factor in preventing the development of Type 2 diabetes, according to preliminary research presented at the American Heart Association's EPI|Lifestyle Scientific Sessions 2026.

Routine early measurement of neurofilament light chain could help improve prediction of cognitive impairment after out-of-hospital cardiac arrest, according to a study presented today at ESC Acute CardioVascular Care 2026, the annual congress of the Association for Acute CardioVascular Care (ACVC), a branch of the European Society of Cardiology (ESC).

Research published in The Lancet Gastroenterology & Hepatology provides robust evidence for the use of a digital visualization and decision support tool in colorectal (bowel) surgery.

Nearly 1 in 5 pediatric hospital deaths in the United States involve sepsis, according to a new national study published March 22 in JAMA.

In older Swedish adults, higher meat intake was associated with slower cognitive decline and lower dementia risk among people carrying APOE ε3/ε4 or ε4/ε4, but not among other genotype groups. A higher processed-to-total meat ratio was linked to worse dementia outcomes, while unprocessed red meat and poultry showed no substantial difference.

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.

The impact of climate change on physical activity patterns poses serious health risks and economic challenges, particularly for low- and middle-income nations.

The study evaluates artificial sweeteners' role in appetite regulation, showing no significant effects on hunger or energy intake during weight management.

Researchers at UC Davis School of Medicine have uncovered how an imbalanced gut microbiome escalates the production of metabolic byproducts by certain gut bacteria.

A new analysis led by researchers at the Johns Hopkins Bloomberg School of Public Health finds that out-of-pockets caps on insulin for Medicare Part D beneficiaries have reined in insulin prices.

During pregnancy, women can reduce their risk of developing a hypertensive disorder by nearly 30% by limiting sedentary time to no more than eight hours a day and increasing light, everyday physical activity to at least seven hours a day, according to preliminary research presented at the American Heart Association's EPI|Lifestyle Scientific Sessions 2026.

A machine-learning analysis of brain waves recorded during sleep may help identify people at high risk of developing dementia, according to a study led by UC San Francisco and Beth Israel Deaconess Medical Center in Boston.