The Scented Salamander

Pharmacologist Robert Furchgott, whose work led to the development of the drug Viagra, dies.

A US court largely upholds a ruling that cigarette makers lied about health risks by using labels such as "low tar".

A 66-year-old US woman with advanced cancer is the first person to die under Washington State's new assisted suicide law.

An alert goes out to police across the US as a mother flees with her cancer-stricken son to avoid chemotherapy.

Why Cuba tries to make the most of 'medical diplomacy'