\'Coma\' man conscious for 23 years ');
document.write('A Belgian man who doctors thought was in a coma for 23 years was in fact awake all along, it is revealed....');
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Gene clue to brain tumour growth ');
document.write('Scientists have pinpointed a mutated gene as key to the development of some types of glioma brain tumour....');
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\'No home smoking rise\' after ban ');
document.write('The smoking ban did not lead to children being exposed to more smoking at home, a study has concluded....');
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Morphine \'might spread cancer\' ');
document.write('Tests suggest morphine could in fact encourage the spread of cancer, for which it is routinely prescribed to relieve pain....');
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