So, the first “bad” compound in meat we'll have a look at is heme iron.

所以，肉中的第一个“不好的”化合物是血红素铁。

The WHO's IARC report identified heme iron as one of the suspect compounds in meat.

世界卫生组织的国际癌症研究机构的报告确认血红素铁是肉类中可疑的化合物之一。

Heme iron is said to increase your risk for heart disease, and even cancer, particularly colon cancer.

据说血红素铁会增加患心脏病甚至癌症的风险，尤其是结肠癌。

Depending on the person and their lifestyle, iron stores can deplete rapidly when you stop ingesting heme iron.

根据个人及其的生活方式，当你停止摄入血红素铁元素时，体内的铁元素会迅速耗尽。

So, before we forget about the heme in heme iron, let me just add that heme itself is essential for a ton of things.

所以，在我们忘记血红素铁中的血红素之前，让我补充一点，血红素本身对很多东西都是必不可少的。

And, back when we were still hunter gatherers we had to have ingested a ton of heme iron in the form of hunted animals.

而且，当我们还是狩猎采集者的时候，我们必须以捕猎动物的形式摄入大量的血红素铁。

Kresser mentions that the proposed mechanisms thought to be behind processed meat causing cancer are N-nitroso compounds, heme iron, TMAO, Neu5GC, and heterocyclic amines formed from cooking.

Kresser 提到，加工过的肉类食品包含了这些致癌因素，亚硝基化合物、血红素铁、氧化三甲胺、羟乙酰神经氨酸以及在烹调过程中产生的杂环胺。

In fact, the inuit, have a big concern for anemia despite and abundance intake of heme iron in the form of fish and animal meat.

事实上，因纽特人非常担心贫血，尽管他们从鱼类和动物肉类中摄入了大量的血红素铁。

Due to heme iron's superior absorption, this review found that despite heme iron constituting only one third of the iron that is actually digested, it makes up two thirds of the average person's total iron stores.

由于血红素铁具有良好的吸收能力，这篇综述发现，尽管血红素铁只占真正被消化的铁的三分之一，但它却占普通人总铁储备的三分之二。

Growing people and people who are growing people, surely need more easily absorbed iron, but older people might be tempted to avoid good sources of heme iron for some of the reasons I just talked about.

正在长身体的人（孩子）和需要养孩子的人（家长/孕妇），当然需要更容易吸收的铁，但老年人可能会避免良好的血红素铁来源，这是我刚才提到的一些原因。

Well, one of the initial studies looking at that idea that heme iron causes cancer, fed calcium deficient rats a heme iron rich diet and found that indeed, these rats developed precancerous lesions in their colon.

在一项关于血红素铁能致癌的初步研究中，钙缺乏的老鼠被喂食富含血红素铁的食物，该研究发现，这些老鼠的结肠发生了癌前病变。