Women with faulty BRCA gene have average breast cancer risk of 35%
Daily Mail
The team say a 'polygenic risk score' - a measure of overall genetic variations in a woman's DNA - may provide a better indication of disease risk than the presence of the single mutation.
https://www.dailymail.co.uk/sciencetech/article-8646977/Women-faulty-BRCA-gene-average-breast-cancer-risk-35.html?ns_mchannel=rss&ns_campaign=1490&ito=1490