Possible Causes and Risk Factors for Breast Cancer Lump
The exact causes of breast cancer lumps are still not fully known. However, certain factors may increase the risk:
– Have mutations in the BRCA1 gene or BRCA2 gene
– Being 50 years old or more
– Have dense breasts
– Puberty starts before 12 years old or menopause starts after 55 years old
– Be obese or overweight
– Lead a sedentary lifestyle
– Have a family history of ovarian or breast cancer
– Drink alcohol excessively [10]
