Do you have one of the 180 breast cancer genes? One in five women has a variant that raises her risk of the condition by a third
- The largest study of breast cancer genes has uncovered 180 separate mutations
- For 1 in 5 women, the family history written into their genes increases their risk
- It has shed light on the BRCA1 gene, which Angelina Jolie famously inherited
- Scientists say the danger for some women could be only half what they thought
- The total contribution of genes to a breast cancer diagnosis is now around 18%
