Doctors need to have four year college. they also need to go to three to four years of medical school. after they go to medical school experienced doctors train the new doctors. finally, they need to pass a test.
they help us by keeping people healthy and to heal the sick people. doctors also gives people checkups. at a checkup, doctors check if you are healthy.
they are important because without doctors when people get sick, no one will help heal the sick people.