Polygenic risk scores estimate your likelihood of developing some health conditions Andrew Brookes/Getty
The UK鈥檚 health secretary聽said last week聽that he had booked a blood test because genetic testing revealed he had a high risk of getting prostate cancer.聽But a new study suggests that this type of genetic technique may not yet be accurate enough to inform healthcare decisions.
Genetic tests for conditions caused by a single gene, such as cystic fibrosis, are already used in healthcare. But many health problems involve multiple genes that each have a small effect, making it more difficult to screen…
