Conclusion

Genetic testing is a popular method of checking for breast cancer risk. It involves collection of samples from your saliva or cheek cells. The samples are taken to the lab and tested. Genetic testing has its risks and benefits. You can contact your healthcare provider to know more about the testing.
References
[1] https://medlineplus.gov/genetics/gene/brca1/
[2] https://pubchem.ncbi.nlm.nih.gov/gene/675
[3] https://www.webmd.com/oral-health/what-is-saliva
[4] https://www.oncolink.org/risk-and-prevention/prevention-screening/what-is-chemoprevention
[5] https://www.mayoclinic.org/diseases-conditions/breast-cancer/symptoms-causes/syc-20352470
[6] https://www.cancer.org/cancer/breast-cancer/treatment/surgery-for-breast-cancer/mastectomy.html











