Health

Less dream-stage REM sleep linked to higher risk of death, study says

Regeneron starts Phase 3 trial of Covid antibody drug that might treat and prevent infection, company says

Coronavirus can float in air and WHO and CDC should tell people that, experts say

Spain's coronavirus antibodies study adds evidence against herd immunity

Ending the coronavirus pandemic could cause over 1 million extra deaths from other diseases, experts warn

Here's what pooled testing is and how it can be used for the coronavirus

How to talk with your Black friends about race

Officials say states like Arizona and Texas reopened too quickly after soaring Covid-19 cases

As Florida sets records for Covid-19 cases, health authorities often fail to do contact tracing

A family dog could help your preschooler learn social and emotional skills, study finds