Genetic conflict may play a role in pregnancy complications, such as preeclampsia and gestational diabetes, as well as developmental disorders.

Two interlinked studies, involving 8,000 primary pupils altogether, indicate children lost at least a third of a year in learning during lockdown.

Public buses, subways and trains are relatively safe, fast and cheap. But competition from rideshares and concerns over COVID-19 will soon see some local agencies short of funds.

A drug used to reduce the risk of blood clots does not help patients recovering from moderate and severe COVID-19, despite this approach being offered to

The sharp divergence in excess death rates that emerged in the post-vaccine period "is pretty striking… and the magnitudes are quite large."

Scientists hypothesize that, as in a hibernating turtle, the brain under sedation and deprived of oxygen may assume a protective state.

Respiratory viruses are hitting young children and infants particularly hard this fall and winter season, and experts don’t yet know exactly why.

Threats of COVID-19 caused significant anxiety and depression among pregnant women during the first wave of the pandemic, a new study shows.

A new study links very dry and very humid indoor environments with worse Covid-19 outcomes.

Cambridge scientists have used synthetic biology to create artificial enzymes programmed to target the genetic code of SARS-CoV-2 and destroy the virus, an