That raises the question of whether it is possible to treat this romantic state clinically, as can be done with OCD. The parents of any love-besotted teenager might want to know the answer to that. Dr Fisher suggests it might, indeed, be possible to inhibit feelings of romantic love, but only at its early stages. OCD is characterised by low levels of a chemical called serotonin. Drugs such as Prozac work by keeping serotonin hanging around in the brain for longer than normal, so they might stave off romantic feelings. (This also means that people taking anti-depressants may be jeopardising their ability to fall in love.) But once romantic love begins in earnest, it is one of the strongest drives on Earth. Dr Fisher says it seems to be more powerful than hunger. A little serotonin would be unlikely to stifle it.

这又产生一个问题，即是否可能和处理OCD一样，用病理学方式来处治这种浪漫状态。任何沉醉于爱情的青少年，他们的父母可能都想知道相应的答案。Fisher博士提出，抑制浪漫爱情的可能性确实存在，但只能是在感情发展的最初阶段。OCD的特征，是血液中一种叫血液复合胺(5羟色氨)的含量较低。如果Prozac等药物让血液中的复合氨在大脑中停留得比正常时间更久，这些药品就可能阻止浪漫感觉的出现。(这也意味着服用抗抑郁药物的人们可能正在危及他们彼此相爱能力。)真挚浪漫的爱情一旦开始，它就成为了地球上最强大的动力之一。Fisher博士说，这种欲望比食欲强大得多，一点儿血液中的复合氨不太可能扼杀心中如此强烈的情感。

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