Caffeine is a naturally occurring chemical that is present in tea, cola nuts, mate, guarana and coffee.
It is a compound frequently used by students and professionals to enable better concentration and longer working hours. This is due to its ability to stimulate the central nervous system, cardiac muscle (increasing the strength and frequency of the heartbeats), stimulates the respiratory system, acts as a diuretic and delay fatigue.

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The writer is not a doctor and does not accept any responsibility for any harm arising from the information contained in these pages.

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