Case in point, in the United States of America admission into functional medicine school may not require the completion of a previous degree. However, those applying are required to take at least 3 years of pre med courses at the university level. This is because in the United States of America medical degrees are classified as second entry degrees. Medical school takes four years to complete but for one to be a doctor you will need to spend three to seven years in residency.
During the four years in medical school, the medical students get training on interviewing and examining a patient and basic sciences.