About Lab Tests Online
Lab Tests Online is an award-winning health information web resource designed to help patients and caregivers understand the many lab tests that are vital part of medical care. Laboratory professionals, who are experts in the field, develop and review all content, including articles on lab tests, conditions/diseases, screening, clinical laboratory topics, and lab test news. The site is produced by AACC, a global scientific and medical professional organization dedicated to clinical laboratory science and its application to healthcare. Learn more.
A recent study in the New England Journal of Medicine found that a 21-gene test is accurate in predicting which women diagnosed with certain types of breast cancer will do well with hormone therapy alone and can forego chemotherapy. Photo source: National Cancer Institute (Bruce Wetzel, Harry Schaefer)
The American Cancer Society (ACS) recommends that women with average risk of breast cancer consider waiting until age 45 to have their first mammogram and annually thereafter, switching to having the test every other year beginning at age 55. Previously, the ACS recommended annual mammograms beginning at age 40. Photo source: National Cancer Institute, Rhoda Baer
Preliminary results from a major study showed that using medications to achieve a target systolic blood pressure reading of 120 mm Hg significantly reduced rates of heart disease and the risk of death among people with hypertension age 50 and older. Photo source: NCI, Bill Branson