◎國際新聞中心
Scientists say they can find no convincing evidence to show that taking vitamin D supplements will fend off a cold. The 161 people who took daily vitamin D for 18 months caught as many colds as the 161 who took fake pills.
科學家說，他們未能發現具說服力的證據，顯示吃維他命補充品可對抗感冒。161名每天吃維他命D連吃18個月的人，與吃安慰劑的161人感冒機率相同。
The study was reported in the Journal of the American Medical Association.
這項研究發表在「美國醫學協會期刊」。
But a leading UK cold expert said vitamin D was useful. Prof Ronald Eccles, of the Common Cold Centre at Cardiff University, said it can give the immune system a much-needed boost during winter when vitamin D reserves may be low.
但英國知名感冒專家說，維他命D很有用。卡地夫大學感冒中心主任愛爾柯斯教授說，維他命D能在冬季給予免疫系統非常需要的幫助。
He said echinacea supplements may also help ward off coughs and colds, but added： "Supplements do not work for everybody because people’s immune systems are different. It’s not a case of one size fits all."
他說，紫錐菊補充劑或許也能對抗咳嗽與感冒，但「補充劑不是對每個人都有效，因為免疫系統因人而異，並非一體適用。」
新聞辭典
convincing：形容詞，有說服力的。例句：I didn’t find the ending of the film very convincing.（我不覺得這部電影的結局非常有說服力。）
fend off：片語，對付，同下文之ward off。例句：Somehow she managed to fend off the awkward questions.（她不知怎麼地設法應付了奇怪的問題。）
one size fits all：形容詞，名詞，一體適用。例句：a one-size-fits-all approach to education（對教育一體適用的方法）
文章出處 ：自由時報電子報中英對照新聞
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