When we talk about a zoo with humans we do not mean a circus where humans entertain but rather it was created from kids and people from Africa and Asia to show the proof of the theory of Darwin. This part of history is extremely shameful and was seen as normal. This human zoo existed for many years as you can very well see in the picture of 1958 where the crowd is amused to look at the little boy in a human zoo of Belgium.
8. Highly Doubtful Treatment Methods
Long back the technology and medicine was not always a priority and neither did doctors had laboratories or sophisticated equipment and state of the art machinery. They had to experiment things and try out strange and methods which were doubtful. For eg., the tongue cutting method was used to treat people who had stammering issues. Even highly successful and learned doctors used to try various methods even though they were life-threatening.