the
Doctors.
she trained herself by reading medical books and observing doctors and nurses
doctors are professionally trained for that
The job outlook for doctors is very promising. There are very few people in the world who are trained to be doctors and this increases the demand for doctors.
The doctor is trained to diagnose the problem and determine the treatment plan. The support staff are trained to implement and carry out the plan. If either does not do their job well the patient can be harmed.
A veterinarian makes about $85,000 each year. They are well trained animal doctors, who see a wide variety of animals each day.
Psychiatrists are first trained as medical doctors.
Qualified doctors must engaged in a routine internships. Familiar doctors or those presently practicing in the Netherlands are easily assisted.
It's not just Americans that think that. Beware of over generalizing. You may have had a bad experience with a greedy and ineffective US trained doctor (or even with several such doctors) but there do exist honest and effective US trained doctors as well, who do help their patients tremendously and who are more concerned about the health of their patients than they are about their income. A great many people have been successfully treated by doctors and are healthier as a result. Not all doctors are corrupt, just as not all policemen are corrupt, not all politicians are corrupt, and amazingly enough, there are even some lawyers who are not corrupt. It is still true that there is far too much corruption in the world, but it is not universal.
Usually a mohel, a person who's specially trained to perform the circumcision, but doctors, rabbis, and cantors can also be trained as mohels.
In which tribe?