胱氨酸病是以常染色体隐性方式遗传。

Genetic counseling. Cystinosis is inherited in an autosomal recessive manner.

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B12水平低引起同型半胱氨酸水平升高与许多疾病有关，包括中风和心脏病风险的增加，没有任何标准的B12缺乏症状。

Low B12 levels give rise to elevated homocysteine levels with an associated increased risk of many illnesses, including stroke and heart disease, without any classical B12 deficiency symptoms.

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B族维生素也极有希望能达到这个目的，因为叶酸、维生素b6、B12能分解同型半胱氨酸——高浓度的同型半胱氨酸也与心脏病有关系。

B vitamins were promising, too, because folate, B6, and B12 help break down the amino acid homocysteine-and high levels of homocysteine have been linked to heart disease.

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