Health

Vaccines are safe, but they could always be safer—here’s what would make a difference

Thimerosal, which contains an organic compound of mercury, has been phased out as a preservative for vaccines. Here’s how we know it was safe to use

These graphics will guide you through science-based vaccine guidelines for children and adults

The bird flu was long known to poultry farmers. Here’s why the dairy industry was caught off guard by its jump to cattle.

The first hints that a new strain of avian illness is emerging could be found on this beach on Delaware Bay, where migrating birds flock. Here’s what virus detectives who return there every year know right now.

As more men turn to testosterone replacement therapy (TRT) for energy, mood and muscle, experts warn the risks are still not fully understood.

The Supreme Court has decided to uphold a state ban on gender-affirming care for minors in U.S. v. Skrmetti

Health specialists were put on leave, and a report on how to protect 20 million workers from wildfire smoke has stalled

Food microbiologists explain how to ensure different proteins, such as beef, chicken and pork, are prepared safely

We’ve all heard the saying “you are what you eat”—especially when it comes to gut health. But what if your workout matters just as much as your diet?

Screwworm parasites primarily infect livestock, but human cases have risen in Central America after the pests escaped containment

To boost mood and manliness, men are spending lots of money on the hormone testosterone—yet they may see trouble instead of benefits