n.血清素，五羟色胺(神经递质，亦影响情绪等)

Serotonin is a neurotransmitter that affects mood, appetite, and sleep.
血清素是一种神经递质，影响情绪、食欲和睡眠。
Low levels of serotonin have been linked to depression and anxiety.
血清素水平低下与抑郁症和焦虑症有关。
Some medications for depression work by increasing serotonin levels in the brain.
一些抗抑郁药物通过增加大脑中的血清素水平起作用。
Serotonin plays a crucial role in regulating digestion and bowel movements.
血清素在调节消化和肠道运动中起着关键作用。
Exercise can naturally boost serotonin levels, contributing to an improved mood.
运动可以自然提高血清素水平，有助于提升心情。
Foods rich in tryptophan, such as turkey, can help increase serotonin production.
富含色氨酸的食物，如火鸡，可以帮助增加血清素的生成。
Serotonin receptors in the brain are targeted by certain hallucinogenic drugs.
大脑中的血清素受体是某些致幻药物的作用目标。
A lack of sunlight exposure can lead to reduced serotonin activity, contributing to seasonal affective disorder (SAD).
缺乏阳光照射会导致血清素活动减少，从而引发季节性情感障碍（SAD）。
The release of serotonin during exercise can contribute to feelings of well-being and euphoria.
运动时释放的血清素有助于产生幸福感和欣快感。
Certain antidepressants block the reuptake of serotonin, allowing more of it to remain active in the synaptic cleft.
一些抗抑郁药阻止血清素的再摄取，使更多的血清素能在突触间隙中保持活性。