This is harmless at low levels but eventually it causes the diseases and disabilities of old age - which most people don't think are any fun.

这些损伤保持在低水平是无害的，不过到了老年，终将导致疾病与残障——这是大多数人所不喜欢的。

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From the Greeks to the Great War, its job was simple: to struggle with lethal diseases and gross disabilities, to ensure live births, and to manage pain.

从希腊时代到第一次世界大战，它的工作很简单：与致命疾病和严重残疾作斗争，确保生育以及减少病痛。

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Prevent premature deaths and avoidable disabilities from major chronic diseases.

预防过早死亡和可避免的重大慢性疾病所造成的残疾。

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They warn that the elderly and those with diseases or disabilities such as deafness or dementia have particular problems finding a dentist.

BBC: Millions miss out on dental treatment