Vitamin D pills ‘could stop colds or flu’

Vitamin D supplements could spare more than three million people from colds or flu in the UK each year, researchers claim. The sunshine vitamin is vital for healthy bones, but also has a role in the immune...

‘First flu’ affects lifetime risk

A person's chances of falling ill from a new strain of flu are at least partly determined by the first strain they ever encountered, a study suggests. Research in Science journal looked at the 18 strains of...