Study by University College London also says 5% of users are wrongly told they will develop major illness
Over the counter genetic tests in the UK that assess the risk of cancer or heart problems fail to identify 89% of those in danger of getting killer diseases, a new study has found.
Polygenic risk scores are so unreliable that they also wrongly tell one in 20 people who receive them they will develop a major illness, even though they do not go on to do so.
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