酸奶还能向大脑供给酪氨酸，这种氨基酸能提升血液中的神经介质多巴胺和去甲肾上腺素水平，从而提升人的情绪和心情。
Yogurt also supplies the brain with tyrosine, an amino acid that boosts blood levels of the neurotransmitters dopamine and norepinephrine, resulting in a mood and mental boost.
NO被认为是非胆碱能、非肾上腺素能神经的递质或介质，参与痛觉传入与感觉传递过程。
Considered as a transmitter and medium of non-cholinergic and non-adrenergic nerves, no involves in introduction of sense of pain and transmission of aesthesis.
应用推荐