执业的心理学家可能会看到人们担心他们的记忆，或人们对其他痴呆病人的护理。

Practising psychologists may see people who are concerned about their memory, or people taking care of others who have dementia.

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他回忆说，曾有一篇论文谈论到，可可脂的日常摄入能提高老年人的心理机能，但会造成轻微的认知损伤，而这种损伤通常是痴呆的前兆。

One paper suggested regular cocoa intake led to improved mental function in elderly patients with mild cognitive impairment, a condition which is often a precursor to dementia, he recalls.

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心理学家玛格丽特·盖兹（Margaret Gatz）解释道，25多年来的研究已经使她懂得怎样来降低患上痴呆症的风险。

Psychologist Margaret Gatz explains what 25 years of research have taught her about reducing the risk of dementia.

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