Pain and suffering in the history of human experimentation reflect on the Nazi Germans, however, Australia, United States of America, the Netherlands, Japan, and Canada, were all associated with scientific research involving human beings.

In the German concentration camps, prisoners of war were tested in scientific hypotheses and development of a variety of biomedical technologies. Wartime dictated its priorities, so doctors were primarily interested in the practical application of scientific theories.

For example, the possibility of maintaining the health of people in conditions of excessive loads, blood transfusions with different Rhesus factors were investigated, while new drugs were tested.

These monstrous experiments include pressure tests, hypothermia experiments, the development of a vaccine against typhoid, experiments with malaria, gas, sea water, poisons, sulfonamide, sterilization experiments, and many others.

In 1941, experiments were carried out with hypothermia. They were led by Dr. Rascher under the direct control of Himmler. The experiments were conducted in two stages.

At the first stage, they found out what temperature and how long a person can withstand, and the second stage was to determine how to restore the human body after frostbite.

To carry out such experiments, prisoners were taken out in the winter without clothes for the whole night or were placed in ice water. Experiments on hypothermia were carried out exclusively on men in order to simulate the conditions in which the German soldiers were on the Eastern Front since the Nazis were poorly prepared for the winter period of time.

For example, in one of the first experiments, prisoners were lowered into a container with water, the temperature of which ranged from 2 to 12 degrees, in pilot suits. At the same time, they put on life jackets, which kept them afloat.

As a result of the experiment, Rasher found that attempts to bring a person who has fallen into icy water back to life are almost zero if the cerebellum was supercooled.

This led to the development of a special vest with a head restraint that covered the back of the head and did not allow the back of the head to sink into the water.

In 1942, the same Dr. Rascher began conducting experiments on prisoners using pressure changes. Thus, the doctors tried to establish what kind of air pressure a person can withstand, and for how long.

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