Health

FDA, CDC advisers say to expect a lot of questions about AstraZeneca Covid-19 vaccine

Are you having more nightmares? You might be 'quaradreaming'

Here's what experts say is needed for US to return to normal. But these barriers stand in the way

The Covid-19 pandemic almost didn't happen, a new genetic dating study shows

US coronavirus vaccine rollout becomes 'less messy'

Low-dose aspirin can reduce the risk of ICU admission and death of Covid-19, researchers say

The truth about white (and pink and brown) noise for sleep

US could be on the cusp of Covid-19 infection surge officials have been dreading, expert warns

Covid-19 reinfections are rare, but more common in people 65 and older, study finds

Canada expands use of AstraZeneca vaccine to seniors even as other countries pause its rollout