对于男性和女性，许多老化带来的疾病，包括骨质疏松症、心脏病和呼吸系统问题，一般是同事出现，齐头并进的。
For both men and women, many of the common diseases of aging-including osteoporosis, heart disease and respiratory problems-go hand in hand.
第三，不论是正常的老化还是由阿兹海默症之类的疾病引起的病理性老化，都会使海马体功能衰退。
And finally, hippocampal function declines during the case of normal aging and even pathological aging, such as with Alzheimer's.
其实，随着年龄的增长，脑萎缩或功能性衰退是身体很自然的变化，并不一定是由疾病引起的，但是研究显示，这种自然老化却可以加剧人们患轻度认知障碍（简称MCI，即一种使记忆力衰退的疾病）和老年痴呆症的机率。
Brain shrinkage or atrophy is a natural part of ageing but it is known to be accelerated in people with Mild Cognitive Impairment (MCI) – a kind of memory loss and forgetfulness – and Alzheimer's.
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