Iron-deficiency anemia: Iron is necessary for the body to make red blood cells. Low iron intake and loss of blood due to menstruation are the most common causes of iron-deficiency anemia. It may also be caused by blood loss from the GI tract because of ulcers or cancer.
What is BRCA Gene Testing? BRCA gene testing, also known as BRACAnalysis, is a blood test that helps evaluate a personâs risk for developing certain types of breast cancer. The test evaluates two genes, BRCA1 and BRCA2, called breast cancer susceptibility genes.
Breast Cancer (BRCA) Gene Test. Guide. A breast cancer (BRCA) gene test is a blood test to check for specific changes (mutations) in genes that help control normal cell growth.Finding changes in these genes, called BRCA1 and BRCA2, can help determine your chance of developing breast cancer and ovarian cancer.reast Cancer (BRCA) Gene Test. Guide. A breast cancer (BRCA) gene test is a blood test to check for specific changes (mutations) in genes that help control normal cell growth.