Health

In a world first, a bespoke gene-editing therapy benefited one child. Now researchers plan to launch a clinical trial of the approach

A meeting of the Pan American Health Organization this week will address the resurgence of measles in the Americas

A new study adds to the evidence that viral infections during pregnancy might contribute to a child’s likelihood of having autism

This Halloween discover how your candy choices can trick—or treat—the microbes in your gut.

Immunologist Zachary Rubin explains how the World Health Organization decides which strains of influenza end up in annual flu vaccines.

Some scientists are concerned that the Trump administration will use “junk science” when reviewing mifepristone’s safety record

Experiments suggests H9N2 has adapted to human cells, but cases of person-to-person transmission haven’t been reported yet

Scientists look to genetics to explain why GLP-1 drugs work for some people but not for others

This is the third Salmonella-related egg recall of 2025. Here’s what to do if you have recalled eggs

After a quiet summer, bird flu cases are rising again. Scientists expected the development, but what happens next is still uncertain

Despite the widespread use of medication during pregnancy, a lack of clinical research leaves patients and doctors navigating treatment with dangerously few data.

Less than 1 percent of clinical trials include pregnant or breastfeeding people. Experts say that needs to change