評(píng)論
打印
A meta analysis is a statistical comparison of
一項(xiàng)綜合分析是
many separate research studies that provides
對(duì)許多項(xiàng)單獨(dú)的研究而進(jìn)行的統(tǒng)計(jì)比較
an overarching view of the relationships
這些研究提供對(duì)于
between a dietary factor and cancer risk.
飲食因素和癌癥患病幾率之間關(guān)系的總體印象
By combining all of the relevant studies
通過綜合所有相關(guān)研究
a very powerful assessment
可以得出一個(gè)強(qiáng)有力的
of the data can be achieved.
數(shù)據(jù)評(píng)估
Based on several such meta analysis
基于幾個(gè)類似的綜合分析
it has been concluded that
人們得出一個(gè)結(jié)論就是
regular consumption of green tea has
定期飲用綠茶
a slight beneficial effect on
對(duì)于降低乳腺癌幾率
reducing breast cancer risk.
有一絲益處
With increased green tea consumption
對(duì)于曾經(jīng)患有乳腺癌的女性來說
more than 3 cups a day
每天3杯以上的綠茶
the rate of cancer reoccurrence was found
可以降低
to be reduced in women
癌癥復(fù)發(fā)
with previously diagnosed breast cancer.
的幾率
So the role for green tea in breast cancer
綠茶降低乳腺癌發(fā)病幾率的作用
is relatively weak
相對(duì)較小
but clearly shows no increased risk
但這也很清晰地表明
associated with green tea consumption.
飲用綠茶不會(huì)提高患病率
A similar meta analysis has been done
還有一個(gè)類似的綜合分析
to determine the role
研究了
for green and black tea consumption
飲用綠茶和紅茶
in the risk of lung cancer.
對(duì)于肺癌患病率的影響
Researchers compared data
研究者們比較了
from 22 separate studies
22個(gè)單獨(dú)的
that examined green and black tea consumption
考察綠茶和紅茶
in lung cancer risk. From this analysis
對(duì)于肺癌患病率影響的研究數(shù)據(jù)，在這項(xiàng)分析中
the highest consumption of green tea was
最高的綠茶飲用量
associated with reduced risk of lung cancer.
與低肺癌發(fā)病率相關(guān)
In fact, green tea consumption of 2 cups per day
實(shí)際上每天兩杯綠茶
was associated with an 18% decreased risk
能降低18%
of developing lung cancer.
肺癌患病率
Consumption of black tea did not provide
但飲用紅茶
any protective effect against lung cancer.
對(duì)預(yù)防肺癌沒有保護(hù)性作用
The American Institute for Cancer Research
美國癌癥研究所
and the World Cancer Research Fund
和世界癌癥研究基金會(huì)
recently collaborated with research scientists
近期與科學(xué)家合作
to evaluate the entire body of evidence
對(duì)飲食，營(yíng)養(yǎng)攝入及體育運(yùn)動(dòng)
relating food, nutrition and
與癌癥預(yù)防之間的關(guān)系
physical activity with the prevention of cancer.
進(jìn)行全面評(píng)估
The resulting document shown here
我們現(xiàn)在看到的研究成果
was published in 2007
在2007年發(fā)表
and provides an excellent resource for
為人們理解
understanding the links between diet and cancer.
飲食和癌癥之間的關(guān)系提供了極佳的參考
This information can be accessed
任何人都能在
by anyone at the AICR website.
美國癌癥研究所的網(wǎng)站上看到這個(gè)信息
After reviewing all relevant data
在回顧所有
concerning the role of tea in cancer
關(guān)于茶葉對(duì)癌癥患病影響的數(shù)據(jù)后
it was concluded that
可以得出結(jié)論
the evidence was too limiting
由于
in amount, consistency, or quality to clearly
在含量，一致性，或品質(zhì)上的證據(jù)過于有限
associate tea with a preventative role in cancer.
人們難以將茶和預(yù)防癌癥的作用清晰地聯(lián)系起來
Therefore while studies with components of tea
所以盡管對(duì)茶成分的研究表明
suggest it plays a preventative role in cancer
茶有預(yù)防癌癥的作用
much more research needs to be done.
仍然需要更多的研究
Let us turn our attention now to coffee.
現(xiàn)在讓我們談?wù)効Х?/div>
This beverage has been consumed
人們飲用咖啡已經(jīng)
by humans throughout history.
有很長(zhǎng)一段歷史了
It has been promoted for
咖啡對(duì)于人體健康
both positive and negative health associations.
既有益處，也有可能有害
Here is another question to ponder.
這里還有個(gè)問題要考慮
How much coffee do you consume daily?
你每天喝多少咖啡?
Why do you drink coffee?
你為什么喝咖啡?
