Our DNA can help tell a story about our past, present, and future through genetic testing, and that testing is becoming much more common.

Solio Felix came into the emergency room last June with what he thought was heat stroke or a heart attack. This is when a nurse told him that he'd be a perfect candidate for a genetic testing study.

He and his wife have no family history of cardiovascular disease, but this doesn't mean that they aren't at risk or that they didn't pass something along to their teenage daughter.

Through genetic testing done in Arizona, they were able to find out their risk level and prepare for the future.

But what is genetic testing, and how is it improving doctors' advice and treatment plans?

This episode marks the start of the second season of our podcast The Lab at azcentral, where we dive into science stories that affect everyday life.

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