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♫ A number of scientists, including Roland Griffiths, believe that regular caffeine use causes physical
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/
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[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 250milligrams of caffeine)/per day/ for example/
Furthermore, a lot of recent research contradicts long-held negative beliefs about caffeine consumption, and
suggests that it may in fact, have health benefits. For instance/studies have shown 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.
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