I’m not certain that doing something like that voluntarily in the absence of an emergency is _less_ crazy. Great story.
[1] - https://www.amazon.com/Who-Goes-First-Lawrence-Altman/dp/052...
Self experimentation remains relatively out of reach of the ethicists and so should be kept in mind for the more creative researcher types.
See also, an old story by Scott Alexander: https://archive.fo/eSbZb.