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DRINKING THREE CUPS OF COFFEE A DAY INCREASES RISK OF MIGRAINE, STUDY SUGGESTS

一天喝三杯咖啡會增加偏頭痛的風險

上海譯銳翻譯  2019-8-9   17:15

Drinking too much coffee is linked with an increased risk of getting a migraine, new research suggests.

一項新的研究表明，喝過多咖啡會導致患偏頭痛的風險增加

In a study published in the American Journal of Medicine, US researchers at Beth Israel Deaconess Medical Center (BIDMC), Brigham and Women’s Hospital and the Harvard T.H. Chan School of Public Health (HSPH) evaluated the role of caffeinated beverages as a potential trigger of migraines.

在一項發(fā)表于《美國醫(yī)學雜志》的研究中，貝斯以色列女執(zhí)事醫(yī)療中心（BIDMC）、布萊根婦女醫(yī)院以及哈佛陳曾熙公共衛(wèi)生學院的美國研究人員評估了含咖啡因飲料在引發(fā)偏頭痛方面所起的作用。

Researchers found that for those who experience migraines, one to two servings of caffeinated drinks, such as coffee, cola and tea, were not associated with headaches on that day.

研究人員們發(fā)現(xiàn)，對于有過偏頭痛的人而言，一天喝1到2杯含咖啡因飲料，比如咖啡、可樂和茶，不會在當天引發(fā)頭痛。

Serving：（食物）一份、一客

However, drinking three or more were associated with higher odds of a migraine headache on the same day, or the following day, the study suggests.

但是，如果一天喝三杯或三杯以上含咖啡因飲料，則極有可能在同一天或第二天出現(xiàn)偏頭痛。

Odds：可能性、概率、機會

According to the NHS, a migraine is a “moderate or severe headache felt as a throbbing pain on one side of the head”.

根據(jù)英國國家醫(yī)療服務系統(tǒng)，偏頭痛是一種“中等程度或嚴重的頭痛，患者會在頭的一側感覺到一種抽痛。”

throbbing pain：抽痛

Many people also have symptoms such as feeling sick, being sick and increased sensitivity to light or sound.

許多人還會出現(xiàn)惡心、嘔吐以及對光或聲音變敏感等癥狀。

The Migraine Research Foundation (MRF) states that migraine is the third most prevalent illness in the world and affects approximately 1.04 billion adults worldwide.

偏頭痛研究基金會（MRF）表明，偏頭痛是全球第三大常見疾病并影響著全球大約10.4億成人。

In the prospective cohort study, 98 adults completed electronic diaries every morning and every evening for at least six weeks.

在前瞻性群組研究中，98位成人連續(xù)6周每天早晚記錄電子日記。

prospective cohort study：前瞻性群組研究

Every day, they reported the total servings of caffeinated coffee, tea, soft and energy drinks they consumed.

每天，他們都要記錄下這一天所飲用的含咖啡因的咖啡、茶、軟飲以及功能飲料的總杯數(shù)。

energy drink：功能飲料

They also filled out twice daily headache reports detailing the onset, duration, intensity and medications used for migraines since the previous diary entry.

在完成前一天的日記記錄后，他們每天還要記錄2次偏頭痛的情況，并詳細說明偏頭痛的發(fā)生時間、持續(xù)時間、強度以及所服用的藥物。

Participants also detailed information about other common migraine triggers, including medication use, alcoholic beverage intake, activity levels, depressive symptoms, psychological stress, sleep patterns and menstrual cycles.

參與人員還要詳細記錄有關其他導致偏頭痛的常見因素，包括藥物使用、服用酒精飲料、活動程度、抑郁癥狀、心理壓力、睡眠模式以及月經(jīng)周期。

Scientists compared an individual’s incidence of migraines on days with caffeinated beverage intake to their incidence of migraines on days when they had no caffeinated drinks.

科學家們對比了個人在飲用咖啡因飲料期間和不喝咖啡因飲料期間偏頭痛發(fā)生的幾率。

This eliminated the potential for factors such as sex, age, and other individual demographic, behavioural and environmental factors to confound the data.

這一方法避免了性別、年齡以及其他個人人口統(tǒng)計、行為以及環(huán)境因素等讓數(shù)據(jù)混淆的可能。

The data showed that those who had three caffeinated drinks had a 27 per cent chance of a migraine on that day. 

數(shù)據(jù)表明，一天喝三杯含咖啡因飲料的人群當天出現(xiàn)偏頭痛的概率為27%。

Baseline data indicated that participants typically experienced an average of five headaches per month – and 66 per cent of them usually consumed one to two servings of caffeinated drinks daily.

基本數(shù)據(jù)表明，在平均每個月出現(xiàn)5次偏頭痛的參與者當中，66%的人通常每天會和1到2杯含咖啡因飲料。

Lead investigator Elizabeth Mostofsky said the role of caffeine in relation to migraines “is particularly complex, because it may trigger an attack but also helps control symptoms”.

首席調(diào)查人員Elizabeth Mostofsky在談到咖啡因與偏頭痛的關系時表明：“咖啡因所起的作用特別復雜，因為它極可能引起不適，也可以幫助控制癥狀。”

Mostofsky added: “Caffeine’s impact depends both on dose and on frequency, but because there have been few prospective studies on the immediate risk of migraine headaches following caffeinated beverage intake, there is limited evidence to formulate dietary recommendations for people with migraines.”

Mostofsky補充表示：“咖啡因的影響取決于量和頻次。但是，由于很少有關于攝入含咖啡因飲料后隨即發(fā)生偏頭痛的前瞻性研究，因此缺乏足夠證據(jù)來為受偏頭痛影響的人群制定飲食建議。”

prospective studies：前瞻性研究

The news follows a recent report from Florida Atlantic University and Harvard Medical School which found that drinking coffee or tea just before bed does not affect quality of sleep.

在這一研究結果發(fā)表之前，是最近一篇來自佛羅里達大西洋大學和哈佛醫(yī)學院的報告。報告發(fā)現(xiàn)，在入睡前飲用咖啡或茶不會影響睡眠質(zhì)量。

The study found that while nicotine and alcohol did disrupt sleep duration and efficiency – with a pre-bed cigarette taking 42 minutes off total duration of sleep for insomniacs (a person who is regularly unable to sleep) – caffeine seemed to have no effect.

研究發(fā)現(xiàn)，盡管尼古丁和酒精會使睡眠中斷并影響睡眠效率-睡前吸煙會讓失眠患者的總睡眠時間減少42分鐘，但是咖啡因似乎對此沒有任何影響。

Insomniacs：患失眠癥人群

文章來源：獨立報   編輯：Susan