Molecular genetics has become an important part of understanding peripheral nerve disorders by identifying genetic changes that contribute to inherited and acquired nerve conditions. Advances in genetic testing and research have improved the ability to diagnose diseases earlier, distinguish between similar disorders, and support informed treatment planning. Healthcare professionals also use molecular findings to understand disease progression and assess potential risks for family members. As scientific knowledge continues to expand, molecular genetics provides valuable insights into nerve function and disease mechanisms. Understanding these developments helps patients, caregivers, and healthcare providers make informed decisions based on accurate and reliable medical information.