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.
A nurse practitioner is a highly trained registered nurse who is licensed by the state to practice in a specialty area such as primary care, mental health or pediatrics. Aspiring nurse practitioner students must be licensed registered nurses with a bachelor's degree. Nurse practitioners need at least a master's degree in nursing, but a doctoral degree may become standard as the minimum requirement in the future.