研究表明 一天3杯咖啡最健康

Moderate coffee drinking is safe, and three to four cups a day may have some health benefits, according to a large review of previous studies, in the BMJ.
據對《英國醫學期刊》以前的研究的大量回顧發現，適量的咖啡是安全的，每天三到四杯可能有一定的健康益處。

Too much coffee during pregnancy could be harmful, the review confirmed.
該回顧證實，懷孕期間喝太多的咖啡會對身體有害。

Experts said people should not start drinking coffee for health reasons or to prevent disease.
專家稱，人們不要爲了身體健康或者預防疾病而開始嘗試喝咖啡。

The University of Southampton researchers collected data on the impact of coffee on all aspects of the human body, taking into account more than 200 studies - most of which were observational.
南安普頓大學的研究人員收集了關於咖啡對人體各方面影響的數據，並採用了超過200份研究--其中大多數是觀察性研究。

Was it the coffee? Compared with non-coffee drinkers, those who drank about three cups of coffee a day appeared to reduce their risk of getting heart problems or dying from them.
所以是咖啡的原因嗎？與沒有攝入咖啡的實驗對象相比，一天喝三杯咖啡的人，患心臟疾病或因此喪命的風險更低。

The strongest benefits of coffee consumption were seen in reduced risks of liver disease, including cancer.
據觀察，喝咖啡最大的益處就是能夠降低患肝類疾病，其中包括肝癌的風險。

But Prof Paul Roderick, co-author of the study, from the faculty of medicine at University of Southampton, said the review could not say if coffee intake had made the difference.
但是這項研究的合作者、來自南安普頓大學醫學院的保羅·羅德里克教授表示，研究報告並不能確定是攝入的咖啡帶來的這些差別。

"Factors such as age, whether people smoked or not and how much exercise they took could all have had an effect," he said.
他說道：“其他因素，如年紀、實驗對象是否抽菸，他們的運動量多少，都可能造成影響。”

The NHS recommends pregnant women have no more than 200mg of caffeine a day - two mugs of instant coffee - because too much can increase the risk of miscarriage.
英國國家醫療服務體系建議孕婦一天不要攝入超過200毫克的咖啡因，即兩杯速溶咖啡，因爲過量會增加流產的風險。

At present, the researchers said pinning down exactly how coffee might have a positive impact on health was "difficult".
研究人士表示，目前很難精準證明咖啡是如何爲人體健康帶來積極影響的。