Study of COVID origins and other viruses finds no prehuman adaptation, suggesting pandemics begin through exposure, not evolution.

Roughly 40 million people are estimated to wear a fitness tracker of some kind. Now one of those brands, Fitbit, has teamed up with researchers to try and predict COVID-19 symptoms before they start. ...

Introduction The impact of stunting, thinness and obesity on depression and anxiety during challenging times, such as ...