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of our oldest stimu
Caffeine ranks as the world's most popular mood-
altering drug. This is partly due to its power to 10
O
decrease physical tiredness and increase alertness. It
is found not only in energy drinks, coffee, and tea, but
also in diet pills, pain relievers, and chocolate bars.
Many societies around the world have even created
rituals around the use of caffeine: afternoon tea in the
UK, the café culture of France, and the tea ceremony
2
in Japan.
u-mila
Yo he no

3
Caffeine is found in many of the foods and drinks
we consume, but is it really good for us? Charles
3
Czeisler, a scientist who studies sleep, believes that
caffeine causes us to lose sleep. "Without enough sleep
6 (typically eight hours), the human body will not work
at its best, physically, mentally, or emotionally. Too
often we consume caffeine to stay awake, which later
(3
makes it impossible for us to get the rest we need."
Health risks have also been tied to caffeine
o consumption. Over the years, studies have attributed
higher rates of certain types of cancer and bone
disease to caffeine consumption. To date, however,
there has been no proof that caffeine actually causes
these diseases,
4

The World's Favorite Drug
A number of scientists, including Roland Griffiths,
15
use
causes physical
believe that regular caffeine
dependence. Heavy caffeine users exhibit other negative
effects. For example, their moods fluctuate from high to
low and they get severe headaches. Moreover they feel
tired or sad when they can't have a cup of tea or coffee, or
a bottle of soft drink or energy drink. To stop or reduce
these feelings, users must consume more caffeine-a
characteristic of drug addiction.
[6] Despite these concerns, a common opinion in the
scientific community is that caffeine is not dangerous
when drunk sensibly: having one or two small cups of
coffee (about 250 milligrams of caffeine) per day, for
example. Furthermore, a lot of recent research contradicts
long-held negative beliefs about caffeine consumption, and 15
S
that caffeine can help ease
muscle pain, Research has
also shown that some drinks
containing caffeine have
disease-fighting chemicals
that can help the body fight a
number of illnesses, including
certain types of cancer.
10
suggests that it may, in fact, have health benefits. For
利点
instance, studies have shown
E
20

Answer 1

✨ 最佳解答 ✨

kaoru

1 caffeine
2 caffeine
3 仮の目的語(for us to get the rest we need)
自分でも訳してみたでしょう。確認して、質問あれば連絡ください。