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On the spur of a whim

机译：一时兴起

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摘要

There are a number of biological molecules which are involved in a bewildering amount of activities. Serotonin is one. First thought to have the sole potential of contracting blood vessels, over the years serotonin has demonstrated that there is more to it than meets its chemistry. Besides its vasoconstrictor properties, it is also believed to be involved in instances as diverse as embryonic development, mood, appetite, nausea, sleep, body temperature, ageing, premature ejaculation, pain, anxiety, aggression, memory, cognition and migraines. And no doubt, as time goes by - as it inevitably does - yet more activities will be added to serotonin's already impressive panoply. It is hardly surprising, then, that serotonin has been shown to play a part in psychiatric shortcomings such as obsessive compulsive disorder and impulsivity. But serotonin cannot do this by itself; it needs a receptor to which it can bind. A receptor known as the 5-HT receptor.
机译：有许多生物分子参与了令人困惑的活动。 5-羟色胺是其中之一。最初认为5-羟色胺具有收缩血管的唯一潜力，多年来这些血清素已证明其不仅具有化学作用。除了其血管收缩特性外，它还被认为与胚胎发育，情绪，食欲，恶心，睡眠，体温，衰老，早泄，疼痛，焦虑，侵略，记忆，认知和偏头痛有关。毫无疑问，随着时间的流逝-正如不可避免的那样-血清素已经令人印象深刻的人群将增加更多的活动。因此，5-羟色胺已被证明在诸如强迫症和冲动之类的精神病学缺陷中起作用，这一点不足为奇。但是5-羟色胺本身不能做到这一点。它需要一个可以结合的受体。称为5-HT受体的受体。

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