她说，所以积极的态度能够增强一氧化氮的水平，一氧化氮能够帮助平衡神经递质，提高免疫力和增加循环。

So a positive attitude can increase levels of nitric oxide, which help to balance neurotransmitters, improve immunity, and increase circulation, she says.

youdao

学习以及练习压力管理策略，增强免疫力以及保持充足的睡眠和锻炼也会很大帮助。

Learn and practice stress management strategies that work for you. Keep your immune system healthy by getting plenty of sleep and daily exercise.

youdao

功效说明：具有很强的抗菌力，可帮助净化呼吸道，清洁受感染的皮肤，增强免疫力，可使注意力集中。

Function description: it has strong ability to sterilize, and could help purify respiratory tract, clean infected skin, strengthen immunity, centralize the attention.

youdao