Health

A novel influenza variant called subclade K appears to be driving an uptick in cases and hospitalizations throughout the U.S. and other countries

President Donald Trump is expected to sign a defense bill this week that orders an investigation into whether the U.S. military bioengineered Lyme disease

Whether space, health, technology or environment, here are the issues in science that the editors of Scientific American are focusing on for 2026

Popular supplements with billions of “good” microbes really help only a few illnesses, research shows

These three disorders could really be “CKM syndrome,” which can be treated with drugs like Ozempic

Pregnant people who receive a COVID vaccine are 60 percent less likely to experience severe disease and around 30 percent less likely to give birth prematurely, according to new research

A recent analysis showed the rate of uninsured children in the U.S. grew from 2022 to 2024. Experts say this could lead to more pediatric cancer deaths

This week’s science roundup covers 2025’s near-record heat, a new mpox strain and fresh clues about why hobbits vanished 50,000 years ago.

The U.S.’s and Denmark’s health systems are starkly different, so it makes sense that their vaccination schedules would differ, too

Scientists have successfully transplanted gene-edited insulin-producing cells into a man with type 1 diabetes—allowing him to make some of his own insulin without immunosuppressants.

The FDA is reportedly considering the addition of high-level warning labels to COVID vaccines, a move that some experts say may cause unfounded concerns over safety

A report published by the CDC reaffirms the effectiveness of COVID vaccines at preventing severe disease in children