| Caffeine, like chocolate, often receives
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| | had such an effect is not known. Coffee
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| bad publicity. Whilst in some instances,
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| | and tea contain a range of plant
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| and in excess, these can have negative
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| | chemicals (phytonutrients) that could be
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| effects on our body, they can also be
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| | responsible for this. A 2005 Norwegian
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| quite beneficial.
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| | study also found similar benefits for
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| I am not disputing that some people are
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| | coffee with regards liver disease. This
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| more sensitive to the negative effects of
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| | study found that drinking 3 cups of
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| either caffeine or chocolate. For
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| | coffee a day could lower the risk of
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| example, excess caffeine can create
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| | death from liver cirrhosis.
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| anxiety, nausea (particularly if taken on
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| | Even if you're not at risk of liver
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| an empty stomach), an increase in heart
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| | disease, caffeine still has some
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| rate, and even depression in some people.
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| | advantages. Recent research from Austria
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| And chocolate is certainly not something
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| | showed that caffeine may actually enhance
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| that should form the mainstay of one's
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| | short term memory. Researchers found that
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| diet. If struggling with sugar addiction,
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| | there was an increase in brain activity
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| or wanting to lose weight, there are more
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| | (as measured by functional magnetic
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| nutritionally complete foods that are
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| | resonance imaging) in the parts of the
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| available.
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| | brain that were associated with memory
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| But scientists have turned up some
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| | and attention. These parts of the brain
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| interesting facts on caffeine. For
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| | were the frontal lobe and the anterior
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| example, caffeine actually blocks the
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| | cingulum. This was a placebo controlled
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| effects of a neurotransmitter in the
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| | study, meaning that some people were not
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| brain (adenosine) that otherwise makes us
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| | given any caffeine. Another, earlier
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| feel tired. This is why it works so well
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| | study (2004) found that caffeine did
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| to keep us awake. It also encourages the
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| | support short term memory, but only when
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| release of another brain chemical,
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| | it was in relation to a topic that people
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| dopamine (as well as adrenaline).
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| | were already thinking about. This study
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| Dopamine contributes to a feeling of well
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| | found that when testing coffee's effects
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| being.
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| | on unrelated subjects, short term recall
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| Two studies, one a population based study
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| | was actually inhibited.
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| (which are not as specific or rigorously
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| | Everything does have a flip side though.
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| defined as other types of studies, but
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| | Adenosine, which is blocked by coffee, is
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| nonetheless valuable indicators) found
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| | also calming. This could be why it can
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| that drinking caffeine containing drinks
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| | also cause anxiety in excess, and in some
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| like coffee and tea had a protective
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| | individuals. After all, the balance of
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| effect for those at risk of developing
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| | our brain chemistry is unique. And when
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| liver disease. Issues that the study
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| | we are addicted to stimulants like
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| participants had that increased their
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| | caffeine, we lose the sensitivity to our
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| risk of liver disease included
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| | own natural stimulants (dopamine and
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| alcoholism, hepatitis B or C, obesity, or
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| | adrenaline).
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| other complications.
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| | References:
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| And the results indicated that people who
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| | 1. Australian Healthy Food, February
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| drank more than 2 cups of coffee a day
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| | 2006.
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| had a 44% lower chance of showing actual
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| | 2. foodnavigator.com/news
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| liver damage compared to those who drank
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| | ng.asp?n=52281-caffeine-containing-drinks
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| no caffeine. This was not a clinical
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| | 3.nutraingredients.com/news/ng.asp?
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| trial, and the reason why coffee and tea
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|
