To say to improve immunity, I do not think such a simple matter.

要说提高免疫力，我觉得不是这么简单的事情。

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Objective To improve immunity of KM murine against virulent RH strain of Toxoplasma, to extend its duration of life and provide model for related research.

目的提高昆明鼠抗弓形虫强毒株（RH株）的免疫力，延长其生存时间，为进行相关实验研究提供动物模型。

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

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。

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