The caffeine, the equivalent of two strong cups of coffee, was sufficient to reverse this effect, with some cyclists even displaying increased eye movement speeds.(咖啡因相當于兩杯濃咖啡，足以扭轉這種效果，因此一些騎自行車的人甚至眼球運動速度也加快了。)

It is a well-known fact that caffeine is a stimulant.(咖啡因是興奮劑，這是人所共知的事實。)

Growing evidence suggests a caffeine habit may protect the brain.(越來越多的證據表明，飲食咖啡因的習慣可以保護大腦。)

To change your caffeine habit more gradually, try these tips.(要想逐漸克服你的咖啡因習慣，你可以試試下面這些方子。)

Caffeine, the stimulant in coffee, has been called "the most widely used psychoactive substance on Earth".(咖啡中的咖啡因因被稱為“地球上使用最廣泛的精神活性物質”。)

Caffeine consumption by children is associated with depression, sleep problems and obesity.(兒童的抑郁癥、睡眠問題和肥胖問題與攝入的咖啡因有關。)

Caffeine can cause palpitations and headaches.(咖啡因能引起心悸和頭痛。)

There could be less protein, more sugar and some additives you wouldn't expect, such as caffeine.(可能會有更少的蛋白質，更多的糖和一些你意想不到的添加劑，比如咖啡因。)

Theophylline, a close structural relative of caffeine and the major stimulant in tea, was one of the most effective compounds in both regards.(茶堿是咖啡因的近親，也是茶中的主要興奮劑，它在這兩方面都是最有效的化合物之一。)

Cut back on caffeine and alcohol.(減少咖啡和酒精的攝入。)