I recall that my grandfather got very sick while he was in the Army. It would have been around that time. By the time he recovered, he had missed WWI.
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If you read the article, it will probably enlighten your perspective on how drafted military are sometimes used as test subjects.
I did, I just wonder what they gave him. He died when I was 4. So no details on where he was stationed. He did however lose all his hair and it never grew back.