Everything you need to know about what’s working — and what isn’t — in medicine and wellbeing

Most Covid patients are low in vitamin D

Big rise in cases of liver failure from ‘safe’ paracetamol

Our body is getting cooler

Staying positive protects our memory as we age

The protein that’s an early-warning system against Lyme disease

MS wonder drug fails at the first hurdle

The seven types of Covid

Amalgam fillings finally get a health warning in the US

Processed food sugars could also cause bipolar

UV light kills Covid virus