Vital fixtures
Harmful trials
Coughing up facts
Fat chance
Leeches as painkillers
Worm sutpnse
Truth about a pandemic
Heart-friendly pill
Tumour. Tamed
Wiped out
No guinea worm cases have been reported after 1996
Seeing red
An unusual craving for tomatoes could mean anaemia
Artificial muscle
With the discovery of a new molecule, it could be possible
Dealing with mutant genes
Important, but not busy
Summer-borns are healthier