Sometimes this affects normal cellular functions, leading to illness.

有时这会影响正常的细胞功能导致疾病。

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The truth is that too many of us neglect our health and this is leading to increasing levels of illness and early death.

事实上，太多人无视自身的健康，以致病患和早逝呈增长趋势。

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Researchers learned that the patients suffering from a respiratory illness had poorer periodontal health than those in the control group, leading them to suggest a link between gum and lung disease.

研究人员发现，患有呼吸道疾病患者的牙周不如对照组人员的牙周健康。

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Dr. Block is co-leading a research effort to get a Serious Illness Communication Checklist put in place much more broadly.

FORBES: Why 5% of Patients Create 50% of Health Care Costs

But the rate of illness had no correlation with the frequency of chilies eaten, leading to speculation that other factors may be at work.

ECONOMIST: Chilies

Commenting on the survey's findings, Dr Penny Woods, chief executive of the British Lung Foundation, said the significant decline in the numbers of people smoking in Britain over the last 40 years was "a testament to the effectiveness of combined legislation and awareness raising in tackling what is Britain's leading cause of preventable illness and premature death".

BBC: ONS survey: Smoking halves in 40 years