As precautionary health measures go, supplements are easy. Compare the two seconds required to swallow a pill with the constant vigilance necessary to exercise and eat right.

在采取预防保健时，与坚持锻炼和正确选择饮食相比，只需要保持必要的警惕，花两秒钟服用补充剂药物，这种方法显得容易多了。

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The new resolution requires states to "exercise vigilance" over the direct or indirect supply, sale or transfer to North Korea of small arms or light weapons.

CNN: Defiant North Korea 'to weaponize plutonium'

Pascal Deyrolle, GM of La Samanna, which opened in 1974, recently told me that his longtime guests exercise the same sort of vigilance.

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