Or an FDA-approved collar that increases blood volume in your brain giving it better cushioning.

还有一种经美国食品和药物管理局批准的项圈，它可以增加大脑的血容量，给大脑提供更好的缓冲。

Together these hormones decrease potassium levels, increase sodium levels, and increase blood volume and blood pressure.

这些激素共同作用降低体内血钾的水平，增加血钠的水平，并提高血容量和血压。

Since water often flows with sodium through a process of osmosis, water also moves into the blood, which increases blood volume and therefore blood pressure.

由于水通常与钠一起通过渗透过程流动，因此水也进入血液，从而增加血容量，进而升高血压。