咖啡和健康coffee

New research from Duke University suggests that caffeine may contribute to an increased risk of heart disease. When healthy coffee-drinkers were given 500 mg caffeine (the same caffeine as found in 4 cups of coffee), their blood pressures increased 3-4 mm Hg, the stress hormone epinephrine increased 32% during the day and they reported feeling more stressed out. The effects were undiminished throughout the evening until bedtime.

Women who drank more than 4 cups of coffee a day had twice the risk of urinary incontinence compared with women consuming very little, if any, coffee.

Caffeine-containing beverage consumption has been reported to be associated with reduced bone mass and increased fracture risk in some, but not most, observational studies.

Over many years of follow-up, coffee drinking is associated with small increases in blood pressure, but appears to play a small role in the development of hypertension.

Coffee consumption was associated with a substantially lower risk of clinical type 2 diabetes.

Coffee contain antioxidant, which makes people younger

咖啡因会引起心脏功能的疾病，当饮用咖啡者喝下4茶杯的咖啡（含有大约500mg咖啡因），他们的血压提高了3-4mm，压力荷尔蒙的肾上腺素增加了32%，感到压力更大，这种现象一直持续到了睡觉前

喝4茶杯以上的妇女得小便失禁的几率比不喝或少喝的妇女高出2倍

喝含有咖啡因的饮料会引起骨质疏松，但这也是基于传统研究学

饮用咖啡也会导致过于紧张和血压增高

咖啡的好处

喝咖啡者显示的较低的临床2级糖尿病的几率

咖啡中的可可含有抗氧化物，是人们变的年轻

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