Electrocardiogram (EKG) tests help physicians see the electrical activity of the heart muscle. This test, while very simple, provides medical providers with information about the rate and rhythm of the heart. Read more about how EKG tests are...
In 2002, the International HapMap Project began working to catalogue the more than 10 million common variations in the single nucleotide polymorphisms of human DNA. Learn more about this project and its benefits for health care.