Heterodox
Decades ago, the artificial sweetener cyclamate was banned because it caused bladder cancer in rats. Later, it turned out that this was an artifact of (1) the tendency of cyclamate to form a precipitate with the male rat urinary globulin in the bladder, which leads to inflammation and promotes cancer, and (2) the fact that experiments were only done with male rats. Are cyclamates dangerous for humans? Who knows? The lesson here is not that we should...
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