Clearly, our responses to today's obesity-promoting environment, in tandem with genetic influences, are the most significant causes of overweight and obesity. But in some people, drug side effects, illnesses, and genetic disorders can also play a role.
Master's degree programs for RNs with a bachelor's degree generally take 1-3 years to complete, depending on the school and the specialty. Graduates with a non-nursing bachelor's degree have the option of enrolling in a BSN-to-master's degree fast-track program.
In brief: College plus 4 years. To become a doctor in the U. S., you must be a college graduate. Then you attend 4 years of medical school to become an md or do. Afterward, you do residency and become certified, which takes an additional 3-7 years.