Exactly ten years later, in August 1964, Dr. Lennart Edren organized a second 300-mile fast march. This time there were 19 participants. While in 1954 all the participants were vegetarians with many years of healthful living and many previous experiences with fasting behind them, the 1964 group was deliberately put together of more varied types; there were vegetarians as well as meat-eaters, smokers and non-smokers, fat men and thin men, etc. In addition, the strict condition of 1954 that all must be in perfect health was not enforced in 1964. Furthermore, the 1954 fasting was a strict water fast, while in 1964 the participants received a small amount of juices in addition to water. All these changes were made with the specific purpose of making the experiment more comprehensive and scientific.
Whereas in 1954 official medicine took the position of disinterest and disapproval, the situation in 1964 was totally reversed. The whole experiment was extensively controlled and supervised by a large staff of doctors. First, all participants were given a thorough examination and various tests. Not less than five doctors were present at the start to make the final checkup. During the entire march of ten days, doctors followed the group and made daily controls and tests on the participants. This was truly a scientific experiment under the most scrupulous and careful control.
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