Sunday, December 9, 2012

Why Does Caffeine Help Headaches? The Truth

Why does caffeine help headaches? What does caffeine do to the brain? Caffeine, one way or the other, is a good companion during late night overtime. Imagine finishing up scores for tomorrows work and coffee is the only thing that keeps you awake. To add, how about those nasty jet lags? Or works stressful demands that cause disturbing headaches? There’s simply no way being a Tylenol addict – headache has to be kept at bay. However, one of life’s little joys is that remedy is right there in a small cup of tea – caffeine. Why does caffeine help headaches anyway?


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Caffeine is a known stimulant found in coffee, cola drinks, tea, and chocolate. It is also known as a super stimulant in most caffeine-clad beverages. It helps people stay awake a few hours more and, undeniably, can even help cure nasty headaches. However, the question remains – how? What is the relationship between caffeine and headaches?

Of caffeine and headaches: There are a variety of headaches: cluster headache, migraine headache and many others. Although caffeine might trigger a migraine attack it is also shown to be therapeutic to some types of headache as well. Some headaches are triggered when the blood vessel in the brain is too wide – or vasodilated. This would mean that the intracranial pressure or ICP in the head is increased. Huge loads of blood flood the brain causing intense pressure – and produce throbbing head pain. Caffeine, meanwhile, is a potent vasoconstrictor and causes blood vessels to become narrow thus decreasing blood flow to the brain. This eases tension headaches and calms the person from a nasty headache episode.


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Other than as a known stimulant in coffee and tea, the said stimulant is also present in many over-the-counter drugs like Midol and Norgesic. Now, why does caffeine help headaches? It is simply a matter of constriction and dilatation.


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