Most people's doctors put their health information in an electronic health record. Scientists are mining those records for clues to what treatments work best for individuals.
Jimmy Carter seems to have gotten the perfect drug to treat his cancer. But scientists need to understand a lot more about tumors before personalized cancer treatments are available for everyone.
Statins made her feel wretched, so she took a DNA test to find out why. But even the doctor with the genetic testing company admits that the test doesn't tell you much more than you already know.
Why not check bloodwork a few times a year as some celebrities advise? Because too much testing can lead to false positives (and abnormalities that don't threaten health) and to unnecessary treatment.
Where do you live? Health specialists think that simple question could make a difference in how doctors prevent and treat diseases for individuals. That's expanding its storied role in public health.