功能飲料含咖啡因危害健康

字號(hào):

The weather is getting hotter and you'll be getting thirstier playing basketball or riding home from school. A cold drink may be just the thing. But be careful what you pour down your throat. Something that looks cool may not be good for your health.
    There are plenty of so-called energy drinks on the market. Most of them have an attractive colour and cool name. Their nutrition lists also contains various things from vitamins to ginseng. Sounds great!
    But after a careful check you may find that most energy drinks contain high levels of caffeine. These drinks are typically aimed at young people, students, busy people and sports players.
    Makers sometimes say their drinks make you better at sports and can keep you awake. But be careful not to drink too much
    Caffeine raises your heartbeat. Because of this, the International Olympic Committee has limited their use. The amount of caffeine in most energy drinks is at least as high as in a strong cup of coffee or strong tea.
    Research by Australian scientists has found that many teenagers are affected by caffeine. The results of their survey show that 27 per cent of boys aged 8-12 take in more caffeine than their parents.    There are potential health risks linked to energy drinks. Just one can of energy drink can make you nervous, have difficulty sleeping and can even cause heart attacks.
    Teenagers should be discouraged from consuming drinks with a lot of caffeine in them, an expert from the Australia Nutrition Foundation said.
    天氣日漸炎熱,打籃球或是放學(xué)后騎車回家的時(shí)候也會(huì)感到更加口渴難忍。這時(shí)喝一瓶冰鎮(zhèn)飲料也許是的選擇了。不過,豪飲的同時(shí)你一定要小心,因?yàn)橛行╋嬃想m然令人涼爽無比但可能對(duì)健康有害。
    市場(chǎng)上所謂的功能飲料琳瑯滿目。它們大部分都色彩醒目,名字超炫,營養(yǎng)成分也是從維他命到人參無所不包。聽上去真的很不錯(cuò)!
    不過,再仔細(xì)地看看說明,你就會(huì)發(fā)現(xiàn)它們的咖啡因含量都很高。大部分的功能飲料都將目標(biāo)人群鎖定在年輕人、學(xué)生、工作忙碌的人以及運(yùn)動(dòng)員等。
    有時(shí),生產(chǎn)商宣稱它們的產(chǎn)品不僅能使人更加精力充沛地進(jìn)行體育運(yùn)動(dòng)而且可以讓人頭腦清醒。但是千萬不要過量飲用。
    咖啡因會(huì)讓人心跳加快。正因如此,國際奧委會(huì)已經(jīng)限制其使用。而大部分功能飲料里咖啡因的含量幾乎和一杯咖啡或濃茶相當(dāng)。
    澳大利亞科學(xué)家的研究表明,咖啡因?qū)υS多孩子造成了影響。研究結(jié)果顯示27%的8至12歲的男孩子攝入的咖啡因比他們的父母都多。
    功能飲料可能會(huì)危害健康。比如喝一聽功能飲料就能讓人產(chǎn)生緊張情緒,導(dǎo)致失眠甚至是心臟病。
    澳大利亞營養(yǎng)基金會(huì)的一位專家說,青少年不宜飲用含有大量咖啡因的飲料。