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.

Everyone experiences nervousness during their lifetime as humans. A racing heart and stomach butterflies are common stress responses people feel before events such as big presentations and first dates or job interviews. Have you ever been curious about why certain people seem to cope with stress better than their peers? Some people perform better when under pressure while others find it difficult to manage their nervousness.

Genetic Trait:

The trait of nervousness falls under the Mental & Cognitive Health category according to PlexusDx and is classified as a genetic trait. This condition manifests as a stress or anxiety-related symptom which presents with varying intensity levels and affects both mental and physical wellbeing. Nervousness affects people differently because although everyone feels nervous sometimes this emotional experience varies in strength from person to person. Studies show that individual reactions to stress and anxiety are influenced by genetic components. Genetic predispositions exist that make certain people more susceptible to nervousness while others inherit genetic traits that enable them to handle stress more efficiently. The genetic model explains why different people show varying responses to stressful situations. The genetic model of nervousness receives moderate-quality support from evidence indicating a moderate probability of genetic predispositions. New findings and advancements in this field must be closely followed because they provide essential knowledge for better understanding the genetic foundations of nervousness.

To handle nervousness you can follow practical methods that help diminish symptoms and improve your stress response.

  1. Preparation is Key: Thorough preparation before public speaking events or social gatherings will help reduce nervous feelings by strengthening your self-assurance and preparedness for the occasion.
  2. Seek Support: Sharing your concerns with someone who has experienced a similar situation offers helpful insights and reassurance which can make you feel calmer.
  3. Practice Deep Breathing: When you perform deep breathing exercises your body's stress response becomes calmer which helps to relax you and diminish nervousness.
  4. Positive Thinking: Developing an optimistic mindset helps redirect attention from anxiety to positivity which enables you to face tough situations with a better constructive approach.

The genetic basis of nervousness explains why different individuals experience stress and anxiety responses in varied ways. Through understanding how genetics shape our nervous predisposition we can adopt active measures to control these emotions. To understand your genetic traits that affect mental and cognitive health you can utilize Precision Health & Wellness tests from PlexusDx. You can find personalized health reports based on your genome by visiting PlexusDx.com, Amazon or Walmart to begin optimizing your well-being. Stress often leads to feelings of nervousness but you can use effective strategies and support to develop resilience and confidence while facing these emotions. Recognize your genetic individuality to enable yourself towards achieving greater health and life balance.

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.