Health secretary Robert F. Kennedy Jr. has pledged to improve children’s health. But his sweeping changes to the nation’s ...

President Donald Trump and Health and Human Services (HHS) Secretary Robert F. Kennedy Jr. have repeatedly pushed to cut back ...

Flu, Mpox and Victorian disease rubella are among the diseases doctors are most worried about for the upcoming 12 months, ...

A poor night's sleep portends a bleary-eyed next day, but it could also hint at diseases that will strike years down the road ...

WASHINGTON — Federal health officials are unilaterally reducing the number of recommended pediatric immunizations in response ...

A large study has revealed that dozens of widely used chemicals can damage beneficial gut bacteria. Many of these substances, ...

Rather than yeast or microalgae, the company is working with oleaginous bacteria—which it claims are more productive.

Background Exacerbations are major causes of morbidity in individuals with chronic respiratory diseases such as chronic ...

Infections accelerate aging by damaging cells and organs. Preventing them with vaccines, hand hygiene, masks, and clean air ...

A string of Chinese-linked espionage cases made public in 2025 spans toxin smuggling, U.S. troop recruitment and hacking that ...

Emily Kwong and Berly McCoy of NPR's Short Wave talk about why swearing might improve physical performance, how birds' bills changed during the pandemic and why scientists are sampling whale breath.

If you spend time in nature, it's important to understand how to identify tick bites. This guide will help you understand the symptoms.