In his experiment white rats had been given a medication that artificially suppressed the quantity of disease-fighting T cells circulating in their blood. Each time they received the medication, they ate it along with saccharin-laced water. But Ader discovered that giving the rats the saccharin-flavored water alone, without the suppressive medication, still resulted in a lowering of the T-cell count—to the point that some of the rats were getting sick and dying. Their immune system had learned to suppress T cells in response to the flavored water. That just should not have happened, according
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