This calorie-restricted group, the researchers found, had a far richer and more diverse microbial community in the gut than those eating a typical American diet.

研究人员发现，相比于遵循典型美国饮食的组，限制热量摄入组的肠道微生物群落数量要多得多，种类也多得多。

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Only 7.5 percent of mice on the calorie-restricted diet developed pancreatic lesions at the end of the experiment, and these lesions were so small that none exhibited symptoms of illness.

在实验结束的时候，限制饮食组小鼠只有7.5%胰腺发生病变，并且这些病变非常小甚至都不足以表现为疾病的症状。

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The research started with 30 rhesus macaques in 1989 to chart the health effects of a calorie-restricted diet and expanded in 1994 with the addition of 46 more.

这项研究始于30猕猴，以图在1989年对健康影响的限制热量饮食和扩大1994年增加了46个以上。

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In addition,there is also a difference in the appearance of calorie-restricted monkeys and those on a normal diet.

VOA: special.2009.09.01

After six months, the non-diet group had lost an average of 1% of their weight, the calorie restriction group, 10.4%, those who were on a calorie restricted diet plus exercise, 10% and the very low-calorie diet, 13.9%.

BBC: NEWS | Health | Low-cal diet 'long-life benefits'

Puigserver and his colleagues found that SIRT1, the mammal version of the SIR2 gene, was turned on in the livers of mice when they were put on a calorie-restricted diet.

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To keep inflammation to a minimum, Dr. O'Keefe recommends a restricted-calorie diet (similar to the Mediterranean diet), consisting of fruits and vegetables, lean protein, nuts, vinegar, tea, and fish oil, as well as low to moderate alcohol intake.

CNN: The cholesterol-inflammation connection