And found that the dietary salt boosted the activity of immune cells in the animals'skin, which gave them a leg up when it came to healing their wounds.

然后他们发现食物中盐分可以促进动物皮肤免疫活性，从而促进伤口愈合。

The ability of HSPs to protect host cells and enhance immune activity can limit the pathogen's path of destruction inside of the body.

HSPs 保护宿主增强免疫活性能力可以限制病原体在人体内造成破坏。

Some studies have even shown regular laughter increases the activity of immune cells in your body, making you less likely to get sick.

一些研究甚至表明，经常大笑会增加体内免疫活性，使人不容易生病。