A vitamin A byproduct has been found to quietly disarm the immune system, allowing tumors to evade attack […]

Some antibiotics stop bacteria from growing without actually killing them, allowing infections to return later. Scientists at the […]

In a striking real-world experiment, flu patients spent days indoors with healthy volunteers, but the virus never spread. […]

Long COVID affects an estimated 65 million people worldwide and can damage the brain, heart, blood vessels, and […]

Scientists have uncovered a surprising viral shortcut that turns moving cells into delivery vehicles for infection. Instead of […]

A long-running debate over Tamiflu’s safety in children may finally be settled. Researchers found that influenza, not the […]

Stanford scientists have uncovered how mRNA COVID-19 vaccines can very rarely trigger heart inflammation in young men — […]

Scientists are uncovering a surprising way to influence bacteria—not by killing them, but by changing how they communicate. […]

Scientists are uncovering a new possibility behind long COVID’s stubborn symptoms: hidden infections that awaken or emerge alongside […]

Researchers discovered that children who went back to school during COVID experienced far fewer mental health diagnoses than […]