BBC News: Spit test 'improves' asthma care
A 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.
Looking into DIY medicine, Maggie Philbin gets reduced to a microchip, kind of. It's a new while-you-wait high street DNA test. Keep across the latest news and behind-the-scenes views by following on Twitter.
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