This episode examines the cutting-edge role of biomarkers in diagnosing and treating mental health conditions. From anxiety to suicidality and memory disorders like Alzheimer's, experts Loren Tapster and Dr. Rifai share insights on biomarkers such as GAD1 and APOE, alongside innovations in AI, genomics, and wearable technology. Discover how personalized medicine is transforming psychiatric care and ethical considerations in this era of data-driven healthcare.
Muhamad Aly Rifai, MD
Welcome to our 7th episode of the virtual psychiatrist folks this is your host Dr. Rifai, we are going strong, we are talking today about a topic that is dear and near to my heart the future of psychiatry and how it can be revolutionized with precision and to achieve prevention.
Loren Tapster
Thank you Dr. Rifai for allowing me to host with you this important episode about the field of psychiatry ... hmm such a bright future coming
Muhamad Aly Rifai, MD
Welcome Loren, anxiety disorders, as you know, have become one of the most crippling mental health challenges in modern society. It affects millions globally, yet we still often rely on subjective assessmentsâpatient-reported symptoms or clinical observationsâto determine severity. But what if we could take the guesswork out of diagnosis and care? Biomarkers, especially those tied to anxiety, hold significant promise to do just that. One such biomarker, the gene known as GAD1, provides a concrete marker of gamma-aminobutyric acid, or GABA, dysregulation. GABA is critical for managing our stress response.
Loren Tapster
GABAâthatâs the neurotransmitter that helps calm our brains down, right? I mean, for folks struggling with anxiety, itâs like their system isn't pumping the brakes effectively. But tell me this, how do biomarkers like GAD1 actually change the game for treatment?
Muhamad Aly Rifai, MD
Great point, Loren. What GAD1 allows clinicians to do is identify individuals for whom a GABA imbalance may be central to their anxiety. This means that instead of prescribing medications through trial-and-error, we can match patients to treatments that target this exact pathway. And weâre not just talking about medications; biomarkers also allow us to monitor therapy responses over time. Itâs truly a precision medicine approach, akin to whatâs happening in oncology, where treatment plans are tailored to a patient's molecular profile.
Loren Tapster
That precision sounds like such a game-changer. You know, from my side of things, many mental health awareness campaigns focus on breaking stigma and urging people to seek help early, but we rarely talk about the science behind diagnosis. Like, imagine if we could promote something like blood biomarker testing alongside these campaigns. Itâd make the call to action so much more real, tangible even.
Muhamad Aly Rifai, MD
Absolutely. Integrating evidence-based diagnostics into public awareness opens up possibilities for more timely and effective intervention. Moreover, biomarkers like GAD1 are giving us clues about how anxiety shows up differently across genders and other demographic groups. For instance, in recent studies, certain biomarkers were more predictive in women than menâpossibly because of differences in stress system reactivity. This means we are on the verge of understanding anxiety in a much more nuanced manner.
Loren Tapster
Thatâs fascinating. I think about how campaigns Iâve worked on framed anxiety as one broad category everyone relates toâlike, people picture a stressed college student or a busy parent. But with what you're saying, anxiety is more like hundreds of shades of gray, with each case demanding a different solution.
Muhamad Aly Rifai, MD
It really is. And the trajectory we're on is making those solutions more within reach. Blood biomarker studies like the ones analyzing GAD1 offer both accuracy and speed in diagnostics. And importantly, they expose anxietyâs biological underpinningsâgiving it the medical legitimacy it deserves. For too long, anxiety and other mental health disorders were dismissed as âjust in peopleâs heads.â Now, we can literally show patients their biomarkers and say, âHereâs proof of what you're facing.â
Loren Tapster
Itâs like showing them science as validation for what they feel. Thatâs incredible. It makes me wonder what could come nextâlike, where does this lead us in terms of tackling mental health overall?
Muhamad Aly Rifai, MD
The future is truly promising, Loren. By advancing our use of these biomarkers, weâre paving the road to early detection, better prevention strategies, and therapies tailored to an individual's unique profile.
Loren Tapster
Well this wonderful Dr. Rifai but we have more urgent problems in mental health the epidemic of suicide and the need for suicide prevention, and by the way folks there is this 988 number just a public service announcement for those listening help is always available
Muhamad Aly Rifai, MD
Well thank you Loren, folks help is always available, hmm where were we... oh yes, building on the transformative potential of biomarkers in mental health, we now see their impact extending into one of the most urgent crises of our timeâsuicide. In 2021 alone, over 48,000 lives were lost to suicide in the United States. Biomarkers like SLC6A4, the serotonin transporter gene, illuminate a path forward, helping us understand mood regulation and its complexities. Elevated expression of SLC6A4 aligns with higher suicidality risk, while TINF2, a gene connected to telomere length, offers insights into chronic stressâa significant factor associated with suicidality when its expression drops.
Loren Tapster
So youâre saying these biomarkers give us an actual readout of someoneâs risk? Thatâs wild! I canât help but wonderâhow do you go from analyzing something like SLC6A4 in a lab to actually using that information to help someone in real life?
Muhamad Aly Rifai, MD
Excellent question, Loren. This is where machine learning and artificial intelligence step in. By analyzing patterns across large multidimensional datasets, AI helps create personalized risk profiles for each patient. Itâs not just looking at SLC6A4 in isolation but also considering other factorsâdemographics, stressors, and even longitudinal data. With machine learning, clinicians can identify someone at risk earlier and more accurately than ever before.
Loren Tapster
Thatâs so powerful, but itâs also got to be tricky. I mean, how do clinicians balance this kind of data with the actual human element? Like, if a patient sees their AI-generated risk profile, wouldnât that freak them out?
Muhamad Aly Rifai, MD
Youâre touching on a very valid concern. One of the biggest challenges with predictive analytics is building trustânot just in the technology but in its application. Patients need to know these tools exist to help, not judge or label them. Itâs up to clinicians to present this information thoughtfully, pairing data with compassionate care.
Loren Tapster
And that compassionate care canât just disappear because we have shiny new tech. Right?
Muhamad Aly Rifai, MD
Exactly. Predictive tools offer incredible precision, but patientsâ lived experiences and emotions must remain central to every conversation. For example, if TINF2 or SLC6A4 signals a risk, it shouldnât lead clinicians to say, âHereâs your outcome.â Instead, we say, âHereâs a tool to understand and change that outcome.â
Loren Tapster
Wow, that reframing is so critical. But I bet using AI for suicidality prediction stirs up even bigger ethical debatesâlike privacy concerns or how bias sneaks into these algorithms.
Muhamad Aly Rifai, MD
Precisely. Some data-driven tools can inadvertently reinforce systemic biases if they're not built or tested responsibly. And then thereâs the issue of consentâpatients need the option of opting into or out of these predictive systems. Clinicians, researchers, and policymakers must work together to safeguard ethics while optimizing these breakthrough tools.
Loren Tapster
Honestly, it feels like the stakes couldnât be higher. If these tools are deployed wrong, you could add to the stigma or, worse, mismanage a crisis. But when done right⊠this could literally save lives. Itâs both inspiring and daunting.
Muhamad Aly Rifai, MD
It certainly is a balancing act, Loren. But with the right conversationsâlike the one weâre having nowâwe move closer to bridging that gap between innovation and empathy. And the momentum doesnât stop here. These advancements pave the way for even more groundbreaking work in other psychiatric domains.
Loren Tapster
woof ... the burden of these psychiatric disorders is so extensive on the society and there impact is real and measurable, but how about old folks and their problems?
Muhamad Aly Rifai, MD
Well Loren ... as we continue exploring breakthroughs in psychiatry, shifting our focus to memory disorders like Alzheimerâs reveals yet another frontier of complexity and urgency. Emerging genomic research is illuminating pathways forward. For instance, take biomarkers such as RAB7A, which influences neuroinflammation and cellular transport processes, both critical to Alzheimerâs progression. Then thereâs APO E, the gene most strongly linked to Alzheimerâs, with its Δ4 variant significantly elevating risk. These discoveries echo the transformative potential weâve discussed, offering hope for understanding and intervention.
Loren Tapster
APO Eâthatâs a name Iâve heard come up before in Alzheimer's studies. Isnât it the one scientists often call a âgenetic risk factorâ? But Iâm curious: how do discoveries like RAB7A really impact whatâs being done in treatment or prevention?
Muhamad Aly Rifai, MD
Youâre spot-on, Loren. APO E is a well-known risk factor, but RAB7A is helping deepen our understanding at a cellular level. The exciting part is how these genomic insights are translating into real action. Advances in bioinformatics are allowing us to repurpose existing drugs. Take lithium, for instance. Though traditionally used for mood stabilization, its neuroprotective properties are now being evaluated for Alzheimerâs. Similarly, omega-3 fatty acids are being explored for their anti-inflammatory effects. This isnât just groundbreakingâitâs practice-changing.
Loren Tapster
Ah, drug repurposing! Thereâs something very poetic about taking what we already have, like lithium, and using it to combat entirely different problems. But tell me: how does technology come into this? Is it just about analyzing genomes, or are there tools that help us check in on patients day-to-day?
Muhamad Aly Rifai, MD
An excellent question. Technology is growing into a powerful ally. Wearable devices and mobile applications are now enabling continuous monitoring of cognitive health. For example, tools that measure sleep quality, physical activity, and even subtle changes in language or memory can provide early warnings of cognitive decline. Pairing this real-time data with biomarker profiles creates a synergistic human-tech approach. Itâs a way to integrate prevention and care seamlessly.
Loren Tapster
Wow, so itâs like weâre mapping the personâs biology and daily routines together to get the full picture. But I imagine some people might feel uneasy about relying so much on wearables or apps. Whatâs being done to make sure this tech is helpful and not, you know, invasive?
Muhamad Aly Rifai, MD
Thatâs a critical point, Loren. Ensuring patient consent and safeguarding privacy are paramount. These tools must empower individuals rather than overwhelm them. For instance, a wearable could simply nudge someone to visit their physician if concerning patterns emerge. It's about creating a seamless partnership between person, technology, and their care team. When we strike that balance, the benefits far outweigh the risks.
Loren Tapster
I love the way you put that, a âpartnership.â It takes the pressure off patients to understand the science behind biomarkers while still giving them tools to stay proactive. Okay, last question: whatâs the dream? Like, if all of these advancements came together perfectly, whatâs the big picture?
Muhamad Aly Rifai, MD
The dream is a future where we can detect memory disorders like Alzheimerâs before symptoms even surface. A future where early intervention means fewer cases progress to debilitating stages. And, most importantly, a future where genomics, technology, and compassionate care converge to improve not just the length but the quality of peopleâs lives.
Loren Tapster
Well Dr. Rifai you are a trend setter but how do all these new developments but what do see the future of psychiatry being?
Muhamad Aly Rifai, MD
Building on the vision weâve just discussedâa future shaped by early detection and integrated careâthe reality is that reaching this future poses its own set of challenges. As William Gibson famously said, âThe future is already here, itâs just not evenly distributed.â This reminds us that the tools and ideas weâve explored hold immense promise, but turning them into widespread solutions demands effort, adaptation, and collaboration in the field of psychiatry.
Loren Tapster
Yeah, and what stood out to meâwhether we were talking about biomarkers for anxiety and suicidality, or genomic studies on memory disordersâis that psychiatry isnât just playing catch-up anymore. Itâs actually leading the charge in blending the best of data-driven science with human-centered care. Thatâs a huge deal, right?
Muhamad Aly Rifai, MD
Absolutely. Weâre moving away from reliance on subjective impressions toward a model that is both participatory and anticipatory. By integrating tools like machine learning, wearable technologies, and biomarkers, we're giving psychiatry a precision it has long needed. And this precision isnât just academicâitâs translating into real results: earlier detection, prevention, and therapies customized to each individual.
Loren Tapster
And what strikes me about all this innovation is that itâs underpinned by hope. Like, think about the shift. Weâre not just treating symptoms anymoreâweâre actually getting to the roots of these conditions. Giving people proof of whatâs happening in their minds and bodies bridges the gap between science and validation, donât you think?
Muhamad Aly Rifai, MD
Exactly, Loren. This is why the work weâre doing is more than just scienceâitâs about instilling trust and empowering patients. Theyâre not passive recipients of care anymore. With access to personalized tools and data, theyâre partners in their own health journey. And we, as clinicians, are evolving alongside them, becoming better equipped to meet complexity with compassion.
Loren Tapster
You know, this conversation makes me feel so inspiredânot just as someone who hosts these discussions but as someone who cares about the future of mental healthcare. Itâs exciting to see how weâre closing the gap between knowing and doing. So, Dr. Rifai, if you had to leave our listeners with one takeaway, what would it be?
Muhamad Aly Rifai, MD
The key takeaway is this: we are on the cusp of a brighter, more inclusive future in psychiatry. One where mental health issues are understood not as abstract or stigmatized experiences, but as treatable, measurable, and deeply human challenges. Precision psychiatryâwith its biomarkers, genomic insights, and advanced technologiesâwill not just treat conditions but transform lives. This is the road ahead, and itâs one we must travel together.
Loren Tapster
Thatâs so well said, Dr. Rifai. And on that note, thank you to all of our listeners for joining us on this journey today. Iâm Loren Tapsterâ
Muhamad Aly Rifai, MD
And Iâm Dr. Muhamad Aly Rifai. Thank you for having these conversations with us. The future of psychiatry is bright, and weâre glad youâre part of it. and remember as our cohost Norm Clement says " you are within the norms"
Loren Tapster
Until next time, take care and keep exploring the possibilities ahead. Goodbye, everyone.
Chapters (4)
About the podcast
A seasoned Physician, father of 3 and a Husband of an obstetrician-gynecologist faced legal problems with the Government for his innovative services to his patients. A leader in the field of Psychiatry being Board-Certified in Internal Medicine, Psychiatry and Addiction Medicine. He starts this Podcast to tell the stories of Psychiatrists in trenches.
This podcast is brought to you by Jellypod, Inc.
© 2025 All rights reserved.