根据美国，近10％的人患有糖尿病美国糖尿病基金会.

When you have diabetes, life becomes all about regulating your blood sugar to stay healthy. And while many must turn to medication and insulin injections, there is evidence to suggest that drinking green tea could make diabetes management easier.

几项研究指出，绿茶是控制糖尿病的潜在有效方法，甚至可以提高胰岛素敏感性。它的工作原理并不完全清楚，但它相信茶中的儿茶素 - 也负责其 anticancer 和 心脏健康 收益 - 可能负责。

When you eat foods with carbohydrates, they are digested into sugar. In response, the胰腺releases insulin to help cells absorb glucose to be used as fuel. However, when you have diabetes, the process is hindered.

有人type 2 diabetes具有脱敏胰岛素的细胞，称为胰岛素抵抗。这是胰腺通常停止释放足够的胰岛素的事实，使其血糖水平难以控制。

1型糖尿病is an autoimmune disease; the cells of the pancreas that produce insulin are attacked and killed by the body’s immune system, and simply do not produce insulin at all.

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Most studies on the effects of green tea in people with diabetes have focused on type 2 diabetes, as it is more common, accounting for 90 to 95 percent of the diabetes seen in the United States.

有迹象表明绿茶可以降低患糖尿病的风险。根据 one study in Japan, people who drank six or more cups of green tea daily were 33 percent less likely to develop type 2 diabetes than people who drank just one cup per week.

另一项研究 发现在10年中持续喝绿茶的人的腰围和较低的体内脂肪水平较小，表明茶可能在降低肥胖风险中发挥作用。

但是茶的好处并不能停在预防方面。对于已经诊断出患有糖尿病的人，绿茶可能能够帮助管理血糖水平。

根据 全面评论 ,green tea consumption is associated with decreased fasting glucose levels and A1C levels, as well as reduced fasting insulin levels, which are a measurement of diabetes health. While not all studies have shown these positive results, green tea has still been shown to be beneficial in other ways.

ThePacific College of Oriental Medicinesuggests that the antioxidant activity of polyphenols and polysaccharides are to credit for these benefits. These same antioxidants are credited 抗癌，降低胆固醇和血压管理的益处。

如果您患有糖尿病，并且想从绿茶中获得潜在的好处，请避免添加会导致血糖变化的添加。最好喝温和的茶，而不是用牛奶稀释或用糖加糖。

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Teabags are just fine (loose leaf is best), but if you want to enjoy a fresher, green flavor, you can buy traditional matcha green tea online and in specialty shops. Matcha is a green tea powder, traditionally used in Chinese tea ceremonies. It is prepared with a small bowl and bamboo whisk, though a spoon or wire whisk can work in a pinch. Because the tea is more concentrated in a matcha powder, you may reap additional benefits over bagged green tea.