Claire Squires"s death: Why are heart flutters on the rise? asks DR ELLIE CANNON

Why are heart flutters on the rise | UPDATED: 21:00 GMT, 5 May 2012 Claire Squires, 30, died just before the finish at this year's London Marathon The death of Claire Squires just before the finish at this year’s London Marathon rightly struck a chord.

Amazon Rainforest plant is turned into painkilling gel

Rainforest remedy to cure toothache: Amazonian plant is turned into painkilling gel The plant has no known side effects and might even replace uncomfortable anaesthetic injections | UPDATED: 08:01 GMT, 14 March 2012 The agony of toothache can leave you willing to go to the ends of the earth in search of a cure.