Muscle weakness, or myasthenia, is a decrease in strength in one or more muscles. It is a common symptom of muscular, neurological and metabolic disorders. Muscular diseases, such as muscular dystrophy and dermatomyositis (disorder characterized by muscle inflammation), are common causes of muscle weakness.
Rating Newest Oldest. Best Answer: A doctor has a degree from medical school (4 years, either an MD or a DO) and has gone through residency (anywhere from 3 to 10 additional years of training). They are licensed to practice medicine or surgery (or both) independently, write prescriptions, etc.
Doctor vs Nurse. There has always been a huge difference between a nurse and a doctor. As you might have witnessed yourself, a doctor is the one who does the operations while the nurse is the one who assists him. Hence, what might really be the difference is what they have studied, which is why they reached such professions.