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適量咖啡奶茶 減心臟病風險

 
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landy



註冊時間: 2006-03-12
文章: 9965
來自: http://hk.myblog.yahoo.com/freshcoffeentea

發表發表於: 星期日 六月 20, 2010 2:52 pm    文章主題: 適量咖啡奶茶 減心臟病風險 引言回覆

(明報)2010年6月20日 星期日 05:10

【明報專訊】咖啡奶茶經常被標籤為有損健康,但荷蘭 一項長達13年的研究證實,每日適量地飲用數杯咖啡或奶茶,有助對抗心臟及血管疾病,終為咖啡奶茶「平反」,亦為「貪杯者」傳來喜訊。

日飲2至4杯 減兩成風險

荷蘭一間大學的研究員統計了3.7萬名每天飲用咖啡或奶茶的人,發現奶茶對心臟疾病有最顯著成效,每日飲用3至6杯奶茶,相比每天只飲1杯的人,可減少約四成半患上心臟疾病風險;咖啡愛好者亦同樣有驚喜,研究發現,飲用適當分量的咖啡,即每天飲用2至4杯的人,有助減少兩成患上心臟疾病風險。

研究人員相信,咖啡或奶茶之中含有的抗氧化劑,有助抑制人體內不穩定的自由基,可助促進身體健康。不過,有專家重申,即使飲品能促進心臟健康,但市民仍應保持良好生活習慣,「如果一邊吸煙一邊飲咖啡,當然不會對心臟有任何好處,缺乏運動亦一樣對心臟無益」。
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Jason2003fu



註冊時間: 2009-08-22
文章: 137

發表發表於: 星期日 六月 20, 2010 4:38 pm    文章主題: Tea and coffee 'protect against heart disease' 引言回覆

Drinking several cups of tea or coffee a day appears to protect against heart disease, a 13-year-long study from the Netherlands has found.

It adds to a growing body of evidence suggesting health benefits from the most popular hot drinks.

Those who drank more than six cups of tea a day cut their risk of heart disease by a third, the study of 40,000 people found.

Consuming between two to four coffees a day was also linked to a reduced risk.

While the protective effect ceased with more than four cups of coffee a day, even those who drank this much were no more likely to die of any cause, including stroke and cancer, than those who abstained.

The Dutch tend to drink coffee with a small amount of milk and black tea without. There have been conflicting reports as to whether milk substantially affects the polyphenols - believed to be the most beneficial substance in tea.

Coffee has properties which could in theory simultaneously increase and reduce risk - potentially raising cholesterol while battling the inflammatory damage associated with heart disease.

But the study in the Journal of the American Heart Association finds those who drank between two and four cups a day lowered the risk of the disease by 20%.

"It's basically a good news story for those who like tea and coffee. These drinks appear to offer benefits for the heart without raising the risk of dying from anything else," said Professor Yvonne van der Schouw, the lead researcher.

Ellen Mason, Senior Cardiac Nurse at the British Heart Foundation, said: "This study adds further weight to the evidence that drinking tea and coffee in moderation is not harmful for most people, and may even lower your risk of developing, or dying, from heart disease.

"However, it's worth remembering that leading a healthy overall lifestyle is the thing that really matters when it comes to keeping your heart in top condition.

"Having a cigarette with your coffee could completely cancel any benefits, while drinking lots of tea in front of the TV for hours on end without exercising is unlikely to offer your heart much protection at all."

http://news.bbc.co.uk/2/hi/health/10350373.stm
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