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.

Living with Multiple Sclerosis

Multiple sclerosis (MS) is a long-term autoimmune disease that targets the brain and spinal cord in the central nervous system. An autoimmune response targets the myelin sheath which damages this protective nerve fiber covering and disrupts communication between the brain and body. As MS progresses it damages nerves which results in disabilities that obstruct regular daily activities. Multiple sclerosis patients frequently encounter fatigue while experiencing numbness or limb weakness together with electric-shock sensations during specific neck movements. MS demonstrates complexity due to its diverse symptom presentation and the difficulties it introduces to affected individuals. The emergence of multiple sclerosis in individuals relies significantly on their genetic composition. Multiple sclerosis arises from multiple genetic factors rather than a single gene as researchers have identified genetic variations that enhance disease risk. The hereditary nature of MS becomes evident through family history since these individuals experience higher risk levels. Increased leukocyte counts from genetic sources raise the chances of developing MS. The risk of developing multiple sclerosis involves numerous additional factors besides genetics. The typical age range for diagnosing MS falls between 20 and 50 years old making age crucial for disease detection. Women face two to three times higher risk of developing MS than men. The probability of MS development rises due to Epstein-Barr virus infections and environmental factors which include climate changes alongside autoimmune conditions and smoking practices. Through genetic testing healthcare providers can detect MS predispositions which allows them to tailor health strategies to individual patients. People who find their genetic markers for MS gain the chance to take preventive measures and adjust their lifestyle to maintain better health. Multiple sclerosis patients require continuous access to information and self-empowerment to manage their condition effectively. Patients can develop their personalized care plans in conjunction with medical professionals who interpret genetic testing results. MS patients see enhanced quality of life through a complete health approach that integrates genetic predispositions with lifestyle decisions. Genetic predispositions play a critical role in multiple sclerosis development while demonstrating the intricate interaction between genetic elements and environmental factors that determine disease susceptibility. PlexusDx Precision Health & Wellness tests enable people to discover their genetic makeup which assists them in making healthier life decisions. Educational understanding allows individuals to take proactive measures resulting in improved health results.

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.