The U.S. Food and Drug Administration has approved Cologuard, the first stool-based colorectal screening test that detects the presence of red blood cells and DNA mutations that may indicate the presence of certain kinds of abnormal growths that may be cancers such as colon cancer or precursors to cancer. Colorectal cancer primarily affects people age 50 and older, and among cancers that affect both men … Continue reading FDA approves world’s first non-invasive DNA screening test for colorectal cancer.