提取能导致苯丙酮尿症（PKU）的基因突变.患这种病的人不能分解氨基酸苯丙氨酸，这会导致严重的认知损坏。

Take the gene mutation that causes phenylketonuria, or PKU. People with the disease can't break down the amino acid phenylalanine, a problem that can lead to severe cognitive damage.

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巯基丁氨酸——一种氨基酸，能对动脉产生伤害，并更加容易形成血块，使得心脏病发作几率上升。

Homocysteine, an amino acid, can cause harm to arteries and allow clots to form more easily, which in turn ups the risk for heart disease, heart attack, and stroke.

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除了可以用氨基酸补充剂预防的扩张型心肌病，素食时间越长，健康问题的发生越少。

The tendency was for health problems to decrease with length of time on a meatless diet, with the exception of dilated cardiomyopathy, which can be prevented with a simple amino acid supplement.

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