New research: 54% of adults fail N95 fit tests without knowing it, raising questions as wildfire smoke reaches ...

Masks are still prohibited during firefighters’ most grueling tasks — digging lines to stop fires and directly attacking ...

We're pausing our coverage of the wildfires in Los Angeles, where it's just gone 4am. Before we go, here are the key things you need to know: At least 25 people have died in the fires, with at least ...

Player recovery and the technological advances to aid it are a big part of any team's World Cup process. We experienced it ...

Since the first cases of coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) were reported at the end of 2019, this infection has spread around ...

Air pollution is typically linked to respiratory conditions. But evidence is mounting that it could be associated with another equally concerning condition: dementia. The study’s authors emphasise ...

The birthday-party invitation said “siblings welcome,” which means you can bring your 11-month-old son while your husband is out of town. You arrive a little disheveled and a little late. Your ...

This story is based on extensive reporting and interviews with physicians, including those who have cared directly for patients with measles. The birthday-party invitation said “siblings welcome,” ...

Real Madrid players wearing masks. (Real Madrid’s account on X) The appearance of Real Madrid players wearing special masks during training sparked widespread controversy following the team’s return ...

Bird flu, or avian influenza, mainly caused by the H5N1 virus, is sparking fresh worry in India, with recent outbreaks reported in Kerala, along the Tamil Nadu border, and earlier waves across 10 ...