Podcast: Season 2

#59 Insomnia, Depression and the Gene That Changed Everything: How PGx Testing Ended Decades of Misdiagnosis

In This Episode

For decades, Mariela Ayala lived under the weight of misdiagnosis—insomnia, depression, recurring infections, medication side effects, and steady weight gain. As prescriptions stacked up (25 at one point), she kept pushing, studying, and showing up for life. But everything changed when a perceptive psychiatrist ordered pharmacogenomic testing.

The results: an inherited MTHFR gene variant impacting folate activation which helps control many bodily functions like our metabolism, muscle structure and energy. With that insight, her team introduced methylated B12 and folate, a careful 90-day taper off unnecessary meds, and a return to real, culturally rich foods and herbs. Within weeks she felt energy and clarity return; blood pressure normalized; weight began to fall—ultimately 200 pounds lost holistically.

Today, Mariela is “Mari with the 411,” coaching high performers to rebuild identity and standards without abandoning culture. Her story is a rallying cry for patient advocacy, clinician awareness of PGx, and the power of precision medicine to change lives now—not someday.

Key takeaways

PGx testing can flag meds to avoid and guide safer, more effective care.

Advocate for yourself: ask about pharmacogenomic testing and second opinions.

Right form matters: methylated B vitamins and whole, culturally rooted foods supported Mariela’s turnaround.

Visit these links for more information!

CDC – MTHFR Gene Variant and Folic Acid Facts

Keep up with Mari on Instagram and TikTok



Genetics for Healthcare Podcast is a series focused on raising awareness about Precision Medicine through diverse topics, all presented in a way that resonates with patients. Our mission is to empower you to be your own advocate in the healthcare world.
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