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.
NP vs. MD. Differentiating a NP from a MD is fairly easy. Basically, a NP is a Nurse Practitioner, whereas a MD is a Doctor of Medicine. Hence, NPs are nurses, while MDs are physicians.MD is a title â doctoral degree for doctors (medical) â thatâs only granted by their schools.P vs. MD. Differentiating a NP from a MD is fairly easy. Basically, a NP is a Nurse Practitioner, whereas a MD is a Doctor of Medicine. Hence, NPs are nurses, while MDs are physicians.