What Martin Scorsese’s latest film gets right—and wrong.

The hygiene hypothesis says exposure to germs helps kids develop healthy immune systems. But many viruses didn’t circulate as widely during the pandemic. Are there downsides to missed infections?

A vaccine against tuberculosis, the world’s deadliest infectious disease, has never been closer to reality, with the potential to save millions of lives. But its development slowed after its corporate owner focused on more profitable vaccines.

"If we ignore climate change as a public health threat, we are abdicating our role as healthcare providers"

The causes of long COVID, which disables millions, may come together in the brain and nervous system