Do you know how old your kids' arteries are?

你知道自己孩子的动脉有多老吗？

It's a potentially important question as scientists increasingly uncover links between healthy habits in childhood and risk for heart disease later in life. And there are growing concerns about the cardiovascular health of millions of children in the U.S. who are considered obese or overweight.

这个问题可能很重要，因为科学家们越来越多地发现，人们儿时的健康习惯与日后罹患心脏病的风险之间存在关联。在美国，被视为肥胖或超重的儿童数以百万计，围绕他们心血管健康的担忧正在与日俱增。

A new study suggests there is a simple way to assess a child's arterial health with a calculation based on an often-overlooked component of cholesterol: triglycerides.

一项新的研究表明，有一种评估儿童动脉健康的简便方法，即以甘油三酯──胆固醇中一个常常被忽略掉的成分──为基础来进行计算。

The calculation is the ratio of triglycerides to HDL, or good cholesterol. It can be easily determined from a standard cholesterol blood test. In the study, based on nearly 900 children and young adults, researchers at Cincinnati Children's Hospital Medical Center found that the higher the ratio, the greater the likelihood a child would have stiff and damaged arteries.

这就是要算出甘油三酯与高密度脂蛋白（又名有益胆固醇）的比值，这个数值通过一项常规的胆固醇血检便能轻易得出。该研究共涉及近900名儿童及青少年。辛辛那提儿童医学中心(Cincinnati Children's Hospital Medical Center)的研究人员发现，这个比值越高，儿童动脉硬化或动脉受损的可能性就越大。

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