This was done in order for the doctors to be sure that they have the best subject for the experiment. The doctors will have a basis for comparison in order to measure the effects of the procedure after it is done.
<em>Hope this helped! :)</em>
THE ANSWER TO THIS QUESTION IS TRUE
Egypt is in Africa. However, it's attached to Southwest Asia at Suez. Because of its ancient history, governance by ancient Greece, and later by Britain, it has strong ties with Europe.