6 Things a DNA Test Can Tell You About Your Health – MSN via Insider

Read article - Continued coverage of comments from William Feero, assistant professor of community and family medicine, about how medical DNA tests work and the different ways they can be useful for understanding our health. "Diagnostic genetic tests look for specific changes in the DNA, in specific genes that are relatively well-proven to cause those genes not to work properly, and for the person to develop disease," says Feero. "They are highly reliable and very accurate."