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Milk Cancels Health Benefit Of Drinking Tea: Study

 
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igotthisguitar



Joined: 08 Apr 2003
Location: South Korea (Permanent Vacation)

PostPosted: Tue Jan 09, 2007 12:59 am    Post subject: Milk Cancels Health Benefit Of Drinking Tea: Study Reply with quote

Milk Cancels Health Benefit Of Drinking Tea: Study

By Patricia Reaney
Mon Jan 8, 7:10 PM ET

LONDON (Reuters) - Drinking tea can reduce the risk of heart disease and stroke but only if milk is not added to the brew, German scientists said on Tuesday.



Research has shown that tea improves blood flow and the ability of the arteries to relax but researchers at the Charite Hospital at the University of Berlin in Mitte found milk eliminates the protective effect against cardiovascular disease.

"The beneficial effects of drinking black tea are completely prevented by the addition of milk, said Dr Verena Stangl, a cardiologist at the hospital.

"If you want to drink tea to have the beneficial health effects you have to drink it without milk. That is clearly shown by our experiments," she told Reuters.

Tea is second only to water in worldwide consumption so any benefits could have important public health implications. But until now it was not known whether adding milk had an impact.

Stangl and her team discovered that proteins called caseins in milk decrease the amount of compounds in tea known as catechins which increase its protection against heart disease.

They believe their findings, which are reported in the European Heart Journal, could explain why countries such as Britain, where tea is regularly consumed with milk, have not shown a decreased risk of heart disease and stroke from drinking tea.

The researchers compared the health effects of drinking boiled water and tea with and without milk on 16 healthy women. Using ultrasound, they measured the function of an artery in the forearm before and two hours after drinking tea.

Black tea significantly improved blood flow compared to drinking water but adding milk blunted the effect of the tea.

"We found that, whereas drinking tea significantly increased the ability of the artery to relax and expand to accommodate increased blood flow compared with drinking water, the addition of milk completely prevents the biological effect," said Dr Mario Lorenz, a molecular biologist and co-author of the study.

Tests on rats produced similar results. When rodents were exposed to black tea they produced more nitric oxide which promotes dilation of blood vessels. But adding milk blocked the effect.

Tea has also been shown to have a protective effect against cancer so the findings could have further implications.

"Since milk appears to modify the biological activities of tea ingredients, it is likely that the anti-tumor effects of tea could be affected as well," said Stangl.

"I think it is essential that we re-examine the association between tea consumption and cancer protection, to see if that is the case," she added.
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Bibbitybop



Joined: 22 Feb 2006
Location: Seoul

PostPosted: Wed Jan 10, 2007 9:17 am    Post subject: Reply with quote

Jacking the thread, which no one is commenting on...

The coolest milk shirt I saw said "Not Milk" with hot girl with milk on her lips.

Jacking over.
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Big_Bird



Joined: 31 Jan 2003
Location: Sometimes here sometimes there...

PostPosted: Wed Jan 10, 2007 3:47 pm    Post subject: Reply with quote

<pouts with disappointment>

I love milk in my tea. Crying or Very sad
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venus



Joined: 25 Oct 2006
Location: Near Seoul

PostPosted: Thu Jan 11, 2007 10:45 pm    Post subject: Reply with quote

Ha ha, putting milk in tea takes away the health benefits. Who cares?

We're British, we don't eat or drink things because they're healthy! We consume 'em because we like em!
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ilovebdt



Joined: 03 Jun 2005
Location: Nr Seoul

PostPosted: Thu Jan 11, 2007 11:08 pm    Post subject: Reply with quote

Big_Bird wrote:
<pouts with disappointment>

I love milk in my tea. Crying or Very sad


Me too Smile

ilovebdt
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re:cursive



Joined: 04 Jan 2006

PostPosted: Fri Jan 12, 2007 2:11 am    Post subject: Reply with quote

I prefer my tea with soy and honey. Far tastier than milk...at least in tea.
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Troll_Bait



Joined: 04 Jan 2006
Location: [T]eaching experience doesn't matter much. -Lee Young-chan (pictured)

PostPosted: Fri Jan 12, 2007 4:39 am    Post subject: Reply with quote

I drink it without milk anyway. If you really like the taste of the tea itself, I think that you can do without it, provided that you don't steep the leaves too long (five minutes at the absolute maximum), as otherwise it will become bitter. I do add honey, though. Things like lemon pieces, orange peel, or lemon grass go well with tea as well.
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Novernae



Joined: 02 Mar 2005

PostPosted: Fri Jan 12, 2007 5:14 am    Post subject: Reply with quote

Same thing for chocolate. I'm glad I've always been a dark girl. Actually, I think the most effective way to consume chocolate for its benefits is pure cocoa in water with no sugar.... Confused
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jajdude



Joined: 18 Jan 2003

PostPosted: Fri Jan 12, 2007 7:15 am    Post subject: Reply with quote

Same deal for green tea? Milk in green tea sounds gross.

Bibbitybop wrote:


.... hot girl with milk on her lips.

Jacking over.


Punny.
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