The Scented Salamander

Vitamin C supplements may reduce benefit from wide range of anti-cancer drugs, research suggests.

Low levels of the stress hormone cortisol have been linked to antisocial behaviour in adolescent boys.

Police arrest 22 people suspected of introducing the toxic chemical melamine into the food chain in China.

The Iraqi government says it will allow doctors to carry guns after medics complain of being targeted.

Researchers decode the DNA sequence of the fungus which produces penicillin, ahead of the 80th anniversary of its discovery.