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Spit test 'improves' asthma care
http://www.bbc.co.uk/news/health-20931946A simple spit test could identify thousands of children with severe asthma who are taking medication which will never help them, scientists say.
One in seven people will not respond to salmeterol, found in purple or green inhalers, which is given to tens of thousands of children in the UK.
A study of 62 children showed those patients could be identified and given effective treatment.
The results were published in the journal Clinical Science.
