Last reviewed: May 12, 2026 Last updated: May 12, 2026

Written by: Jay Hastings , CEO of PlexusDx

Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations. He has more than 20 years of experience across healthcare innovation, genomics, laboratory operations, healthcare investing, and strategic finance. His work has included scaling healthcare startups, leading CLIA lab integrations, and helping expand consumer access to precision health tools.

Medically reviewed by: Jayden Lee, PharmD, EMBA

Jayden Lee, PharmD, EMBA, is the PlexusDx Medical Science Liaison with a PharmD and MBA specializing in pharmacogenomics and clinical product development, with a proven ability to bridge the gap between genomic research and practical patient outcomes. Dr. Lee has more than 10 years of professional experience in clinical pharmacy, academia, and research.

Anxiety: Understanding the Genetic Components

Does your heart begin to race when you think about something as normal as taking a bus or making a phone call? The grip of anxiety may be something you recognize if you've experienced such feelings. Fear serves its purpose when we face real dangers but anxiety can become a debilitating force that impacts our everyday life and wellness. Anxiety disorders stand as the most common mental health conditions affecting more than 250 million people around the globe.

How do genetic factors contribute to this multifaceted mental health condition? New research reveals that genetic factors account for up to 65% of the individual differences in anxiety susceptibility. Beyond genetic factors anxiety risks also stem from traumatic event exposure along with thyroid and heart conditions and substance use problems. People who have a strong genetic predisposition to anxiety can lower their risk significantly through proper stress management and substance control.

Anxiety influences daily life through its effects on sleep patterns as well as energy levels and gut health while also altering stress management abilities together with focus and mood regulation. The study of genetic predispositions can reveal why certain individuals experience these symptoms more frequently than others. The amygdala and frontal lobes are two essential brain regions that process threats and control emotional responses. When the amygdala and frontal lobes become imbalanced it triggers increased anxiety which manifests as restlessness and fatigue along with concentration issues and physical symptoms including muscle tension and heart rate changes.

Genetic variations linked to anxiety disorders affect neurotransmitter levels and functions including serotonin, dopamine, GABA and stress hormone cortisol. Our brain's response to stress and its ability to regulate mood are affected by genetic differences which show the complex relationship between genes and mental health. People can take concrete actions to reduce anxiety symptoms and improve their quality of life despite genetic predispositions to anxiety. Exploring personalized recommendations from genetic insights alongside lifestyle modifications and dietary changes enables individuals to take proactive actions for better mental health.

Explore how Precision Health & Wellness Tests from PlexusDx can help you understand your genetic predispositions and create personalized anxiety management strategies. A deep understanding of anxiety genetics allows you to start a journey toward enhanced mental well-being and overall health. Utilize genetic insights along with practical recommendations to confidently address anxiety complexities through informed decision-making. You have support throughout your path to improved mental health. Start your journey with PlexusDx Precision Health & Wellness tests today which you can purchase through their website at PlexusDx.com or find at Amazon and Walmart. Exploring anxiety's genetic components can create opportunities for a happier and stronger future.

Medical and Editorial Standards

Medical review process: This article was reviewed for medical accuracy, scientific clarity, evidence alignment, and appropriate discussion of genetics, medications, supplements, biomarkers, and health-related claims.

Sources and evidence: PlexusDx educational content is developed using peer-reviewed research, clinical literature, reputable medical references, and, where applicable, public health or regulatory guidance. References are included at the end of the article when scientific, medical, or health-related claims are discussed.

Commercial transparency: PlexusDx offers genetic testing, blood biomarker testing, personalized supplement recommendations, and related precision wellness services. Product mentions are intended to help readers understand available options and should not be interpreted as medical advice.

Important disclaimer: PlexusDx educational content is for informational purposes only and should not be used as a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making decisions about medications, supplements, genetic testing, lab testing, or health-related care.