Genetic profiles can help avoid incorrect dosing of a common drug

Your DNA affects your hair colour, your blood type and even how you react to some medications. Now scientists have taken a big step toward folding your personal genetic profile into many of the prescriptions you carry away from the pharmacy. Most immediately, the advance will likely lead to the safer, more effective use of a common anticoagulant called warfarin that, when taken in the wrong amount, can be very dangerous. In the future, it could affect how doctors prescribe dozens of common medications...

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