Central nervous system How DM can affect thinking, mood, sleep, and cognitive function. Genetics Understanding the inherited genetic changes that cause myotonic dystrophy. Cardiovascular system Heart rhythm and conduction issues linked to myotonic dystrophy. Respiratory system Breathing, lung function, and sleep-related respiratory challenges. Immune system How DM may influence immune response and overall resilience. Reproductive system Fertility, pregnancy, and reproductive health considerations in DM. Gastrointestinal system Digestive symptoms that affect nutrition, comfort, and daily life. Muscles Muscle weakness, stiffness, and fatigue over time. Skin Skin changes and conditions associated with myotonic dystrophy. Endocrine Hormone imbalances that can affect metabolism and energy. Vision Eye conditions and vision changes commonly seen in DM.