Personalized medicine involves tailoring medical treatments to individual characteristics of each patient.

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Editor's note: CNN contributor Amanda Enayati ponders the theme of seeking serenity: the quest for well-being and life balance in stressful times. Follow @amandaenayati on Twitter or on Facebook.

(CNN) -- Your cell phone rings, and your brow furrows as you glance down at the caller ID.

Hello?

"Hello," responds an automated voice. "There is a 97% likelihood that you will have a cardiac event within the next 12 hours. Please proceed to a hospital as soon as possible."

According to experts like Eric Topol, director and chief academic officer at Scripps Translational Science Institute, technology like this -- and a slew of other medical wonders -- isn't so far-fetched. In fact, some of it is already here.

There are now more cell phones in the world than there are toilets and toothbrushes, Topol said. And these phones, which have become our constant companions and virtual extensions of our bodies, are increasingly being used to track our physiology from moment to moment.

The intersection of technology, science, medicine and design has led to an explosion of apps for monitoring blood pressure, glucose levels and heart rate and measuring how well you sleep, whether you're stressed or relaxed and whether you're eating healthy. We have been able to harness the existing digital infrastructure to get personalized health data we did not have access to before.

How medicine is advancing beyond race

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Is personalized medicine a myth?