Rosacea is a common but misunderstood condition that is thought to affect millions. It is incurable, and those who have it must often endure a sustained treatment regime, restrictions on what they eat, drink and do and, in some cases, judgements or jibes from others. But a growing community and statements from high-profile sufferers have shown that they are not alone.
The frontiers of organ transplantation have been pushed further than ever before. The first organs taken from genetically engineered pigs have been put into people and the recipient of the first pig heart managed to survive for two months.
More than 18 million people - three times higher than official records suggest - have probably died because of Covid, say researchers.
Stool tests might provide a useful way to help doctors spot early pancreatic cancer, say researchers.
A major study of vaccine side-effects in the US found no link between two Covid jabs and the number of deaths recorded after vaccination.
Catching Covid may cause changes to the brain, a study suggests.
Suddenly we are all talking about immunity - but how much do we really understand? Science writer and YouTuber Philipp Dettmer unpicks one of the most common misconceptions.
UK experts say they have found another life-saving drug that can help people ill with Covid.
Memory loss, fatigue and trouble concentrating can be symptoms of having had coronavirus.
Vital oxygen supplies to treat patients sick with Covid and other critical illnesses, including war injuries, are running dangerously low in Ukraine.
