Add Yahoo as a preferred source to see more of our stories on Google. Summer McKesson poses at her home in Atlanta on September 26. - Austin Steele/CNN Summer McKesson struggled to breathe for years.

Add Yahoo as a preferred source to see more of our stories on Google. Don’t ever underestimate the power of DNA on your beating heart, as it can be the root cause of heart failure. Dr. Travis Hinson, ...

The future of healthcare in India is changing fast, and the change is happening deep inside our bodies, at the level of our genes. Thanks to major progress in genomics (the study of genes and DNA), ...

Summer McKesson struggled to breathe for years. Doctors told her it was because her blood would not stop clotting – and they couldn’t figure out why. A single clot alone can be lethal; but the ...