But recently a small number of users have voiced concerns that the drugs elicit unexpected cognitive side effects, such as memory loss, fuzzy thinking and learning difficulties.

但是最近一小部分使用者已经开始担心药物会引起突发认知副作用，例如：记忆丧失、思考模糊和学习困难。

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But learning more about how they, and other flaws, trigger disease could lead to new drugs, genetic tests and even ways of preventing ill health.

但是通过对致病以及缺陷基因如何诱发疾病深入研究，科学家们可以研制出新型药物、基因测试方法，甚至可以解决这种“带病却健康着”的生存状况。

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Drugs that promote this relaxation–unwinding DNA from its tightly coiled configuration–give enzymes access to genes that must be turned on to enable learning.

促进DNA从紧密螺旋的状态到松弛-解螺旋的药物能增加小鼠的记忆力——但是也会产生不必要的副作用。

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The researchers say it might be possible to use the hormone to develop new drugs to combat impaired learning and memory, but warn that weight gain could be a side effect.

BBC: NEWS | Health | Hunger pangs 'may trigger memory'

Consumers might not appreciate the scare tactic when they are learning about the problems associated with homegrown drugs, like Vioxx.

FORBES: Spin Doctors

These drugs may help in childhood learning disability, in the memory loss with ageing and even in recovery from brain damage.

BBC: Scientists boost memory power