After a few weeks of sticking to a firm salt reduction plan the salt receptors adjust and become much more sensitive to salt.

在坚持了几周的严格食盐用量限制计划后，计划的接受者开始适应并变得对食盐更敏感。

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PepsiCo scientists grew cultured cells, injected the genetic sequences of the four known taste receptors (leaving out salt) into them, and then hardwired the cells to a computer.

NEWYORKER: Snacks for a Fat Planet